Vulnerability-Lookup

RHSA-2026:2043

Vulnerability from csaf_opensuse - Published: 2026-02-05 09:43 - Updated: 2026-10-16 10:58

Summary

Red Hat Security Advisory: firefox security update

Severity

Important

Notes

Topic: An update for firefox is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fix(es): * firefox: Spoofing issue in the Downloads Panel component (CVE-2025-14327) * firefox: Use-after-free in the JavaScript: GC component (CVE-2026-0885) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147 (CVE-2026-0891) * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-0878) * firefox: Use-after-free in the IPC component (CVE-2026-0882) * firefox: Use-after-free in the JavaScript Engine component (CVE-2026-0884) * firefox: Information disclosure in the Networking component (CVE-2026-0883) * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-0877) * firefox: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-0890) * firefox: Clickjacking issue, information disclosure in the PDF Viewer component (CVE-2026-0887) * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics component (CVE-2026-0879) * firefox: Sandbox escape due to integer overflow in the Graphics component (CVE-2026-0880) * firefox: Incorrect boundary conditions in the Graphics component (CVE-2026-0886) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2025-14327

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the Downloads Panel component

7.1 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CWE-290 - Authentication Bypass by Spoofing

Affected products

Fixed 17 products

Product	Version	Remediation
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-0:140.7.0-1.el9_6.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-0:140.7.0-1.el9_6.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-0:140.7.0-1.el9_6.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-0:140.7.0-1.el9_6.src	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-0:140.7.0-1.el9_6.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-debuginfo-0:140.7.0-1.el9_6.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-debuginfo-0:140.7.0-1.el9_6.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-debuginfo-0:140.7.0-1.el9_6.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-debuginfo-0:140.7.0-1.el9_6.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-debugsource-0:140.7.0-1.el9_6.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-debugsource-0:140.7.0-1.el9_6.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-debugsource-0:140.7.0-1.el9_6.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-debugsource-0:140.7.0-1.el9_6.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-x11-0:140.7.0-1.el9_6.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-x11-0:140.7.0-1.el9_6.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-x11-0:140.7.0-1.el9_6.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.6.0.Z.EUS:firefox-x11-0:140.7.0-1.el9_6.x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-0877

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-693 - Protection Mechanism Failure

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Important

CVE-2026-0878

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Important

CVE-2026-0879

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the Graphics component

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Important

CVE-2026-0880

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to integer overflow in the Graphics component

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-190 - Integer Overflow or Wraparound

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Important

CVE-2026-0882

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the IPC component

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-416 - Use After Free

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Important

CVE-2026-0883

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the Networking component

6.1 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Moderate

CVE-2026-0884

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript Engine component

6.1 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-416 - Use After Free

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Moderate

CVE-2026-0885

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript: GC component

6.1 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-416 - Use After Free

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Moderate

CVE-2026-0886

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Graphics component

6.1 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Moderate

CVE-2026-0887

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Clickjacking issue, information disclosure in the PDF Viewer component

6.1 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Moderate

CVE-2026-0890

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component

3.4 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N

CWE-290 - Authentication Bypass by Spoofing

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Low

CVE-2026-0891

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected products

Fixed 17 products, the same list as for CVE-2025-14327

Threats

Impact Important

References

92 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:2043	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2420507	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428961	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428963	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428965	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428966	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428967	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428968	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428969	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428971	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428972	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428973	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428975	external
https://bugzilla.redhat.com/show_bug.cgi?id=2428978	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2025-14327	self
https://bugzilla.redhat.com/show_bug.cgi?id=2420507	external
https://www.cve.org/CVERecord?id=CVE-2025-14327	external
https://nvd.nist.gov/vuln/detail/CVE-2025-14327	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0877	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428969	external
https://www.cve.org/CVERecord?id=CVE-2026-0877	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0877	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0878	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428965	external
https://www.cve.org/CVERecord?id=CVE-2026-0878	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0878	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0879	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428973	external
https://www.cve.org/CVERecord?id=CVE-2026-0879	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0879	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0880	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428975	external
https://www.cve.org/CVERecord?id=CVE-2026-0880	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0880	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0882	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428966	external
https://www.cve.org/CVERecord?id=CVE-2026-0882	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0882	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0883	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428968	external
https://www.cve.org/CVERecord?id=CVE-2026-0883	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0883	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0884	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428967	external
https://www.cve.org/CVERecord?id=CVE-2026-0884	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0884	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0885	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428961	external
https://www.cve.org/CVERecord?id=CVE-2026-0885	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0885	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0886	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428978	external
https://www.cve.org/CVERecord?id=CVE-2026-0886	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0886	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0887	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428972	external
https://www.cve.org/CVERecord?id=CVE-2026-0887	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0887	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0890	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428971	external
https://www.cve.org/CVERecord?id=CVE-2026-0890	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0890	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://access.redhat.com/security/cve/CVE-2026-0891	self
https://bugzilla.redhat.com/show_bug.cgi?id=2428963	external
https://www.cve.org/CVERecord?id=CVE-2026-0891	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0891	external
https://www.mozilla.org/security/advisories/mfsa2…	external
https://www.mozilla.org/security/advisories/mfsa2…	external

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          "details": "Low"
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      "title": "firefox: thunderbird: Spoofing issue in the DOM: Copy \u0026 Paste and Drag \u0026 Drop component"
    },
    {
      "cve": "CVE-2026-0891",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
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      "discovery_date": "2026-01-13T14:01:25.941404+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2428963"
        }
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          "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation\u0027s Security Advisory describes the following issue:\nMemory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.",
          "title": "Vulnerability description"
        },
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          "category": "summary",
          "text": "firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428963"
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0891",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-0891"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0891",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0891"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0891",
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0891"
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          "category": "external",
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          "category": "vendor_fix",
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      "threats": [
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          "category": "impact",
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      ],
      "title": "firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147"
    }
  ]
}

CVE-2025-14327 (GCVE-0-2025-14327)

Vulnerability from cvelistv5 – Published: 2025-12-09 13:38 – Updated: 2026-04-13 14:24

Title

Spoofing issue in the Downloads Panel component

Summary

Spoofing issue in the Downloads Panel component. This vulnerability was fixed in Firefox 146, Thunderbird 146, Firefox ESR 140.7, and Thunderbird 140.7.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-11 20:42 UTC

CWE

CWE-290 - Authentication Bypass by Spoofing

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

5 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1970743
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 146 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 146 , ≤ * (rpm)

Credits

Caro Kann

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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            }
          ],
          "value": "Spoofing issue in the Downloads Panel component. This vulnerability was fixed in Firefox 146, Thunderbird 146, Firefox ESR 140.7, and Thunderbird 140.7."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-13T14:24:13.332Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1970743"
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        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2025-95/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/"
        }
      ],
      "title": "Spoofing issue in the Downloads Panel component"
    }
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  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2025-14327",
    "datePublished": "2025-12-09T13:38:02.260Z",
    "dateReserved": "2025-12-09T13:38:01.463Z",
    "dateUpdated": "2026-04-13T14:24:13.332Z",
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}

CVE-2026-0877 (GCVE-0-2026-0877)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-07-15 11:47

Title

Mitigation bypass in the DOM: Security component

Summary

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 15:24 UTC

CWE

CWE-693 - Protection Mechanism Failure

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

32 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1999257
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-0877	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2428969	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:2231	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2271	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0667	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2220	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2074	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1471	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2073	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1461	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2070	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1487	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2069	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1462	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2047	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1413	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2044	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1415	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2041	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1414	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2043	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1320	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0694	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0924	vendor-advisoryx_refsource_REDHAT

Impacted products

23 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.32 , ≤ 115.* (rpm) Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:140.7.0-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:140.7.0-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	Unaffected: 0:140.7.0-1.el7_9 , < * (rpm) cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:140.7.0-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support	Unaffected: 0:140.7.0-1.el8_2 , < * (rpm) cpe:/a:redhat:rhel_aus:8.2
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_aus:8.4
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.4
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_tus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:140.7.0-1.el9_7 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_0 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.0
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 0:140.7.0-1.el9_4 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-2.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-1.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Mingi Jung (정민기입니다)

Show details on NVD website

JSON

To clipboard

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CVE-2026-0878 (GCVE-0-2026-0878)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-07-15 01:23

Title

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

8 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 15:40 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-20 - Improper Input Validation

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

31 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2003989
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-0878	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2428965	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:2231	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2271	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0667	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2220	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2074	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1471	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2073	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1461	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2070	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1487	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2069	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1462	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2047	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1413	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2044	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1415	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2041	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1414	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2043	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1320	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0694	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0924	vendor-advisoryx_refsource_REDHAT

Impacted products

23 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:140.7.0-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:140.7.0-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	Unaffected: 0:140.7.0-1.el7_9 , < * (rpm) cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:140.7.0-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support	Unaffected: 0:140.7.0-1.el8_2 , < * (rpm) cpe:/a:redhat:rhel_aus:8.2
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_aus:8.4
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.4
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_tus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:140.7.0-1.el9_7 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_0 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.0
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 0:140.7.0-1.el9_4 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-2.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-1.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Oskar L

Show details on NVD website

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{
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    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-0878",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
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                "type": "CWE"
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          {
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                "description": "CWE-20 Improper Input Validation",
                "lang": "en",
                "type": "CWE"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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CVE-2026-0879 (GCVE-0-2026-0879)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-07-15 01:23

Title

Sandbox escape due to incorrect boundary conditions in the Graphics component

Summary

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 18:37 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

32 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2004602
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-0879	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2428973	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:2231	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2271	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0667	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2220	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2074	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1471	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2073	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1461	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2070	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1487	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2069	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1462	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2047	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1413	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2044	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1415	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2041	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1414	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2043	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1320	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0694	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0924	vendor-advisoryx_refsource_REDHAT

Impacted products

23 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.32 , ≤ 115.* (rpm) Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:140.7.0-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:140.7.0-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	Unaffected: 0:140.7.0-1.el7_9 , < * (rpm) cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:140.7.0-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support	Unaffected: 0:140.7.0-1.el8_2 , < * (rpm) cpe:/a:redhat:rhel_aus:8.2
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_aus:8.4
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.4
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_tus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:140.7.0-1.el9_7 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_0 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.0
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 0:140.7.0-1.el9_4 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-2.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-1.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

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Oskar L

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{
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        "metrics": [
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            "cvssV3_1": {
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              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-0879",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-13T18:37:22.611097Z",
                "version": "2.0.3"
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        "problemTypes": [
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                "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
                "lang": "en",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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CVE-2026-0880 (GCVE-0-2026-0880)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-07-15 01:23

Title

Sandbox escape due to integer overflow in the Graphics component

Summary

Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 18:40 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

32 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2005014
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-0880	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2428975	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:2231	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2271	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0667	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2220	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2074	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1471	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2073	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1461	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2070	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1487	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2069	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1462	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2047	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1413	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2044	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1415	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2041	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1414	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2043	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1320	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0694	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0924	vendor-advisoryx_refsource_REDHAT

Impacted products

23 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.32 , ≤ 115.* (rpm) Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:140.7.0-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:140.7.0-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	Unaffected: 0:140.7.0-1.el7_9 , < * (rpm) cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:140.7.0-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support	Unaffected: 0:140.7.0-1.el8_2 , < * (rpm) cpe:/a:redhat:rhel_aus:8.2
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_aus:8.4
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.4
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_tus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:140.7.0-1.el9_7 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_0 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.0
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 0:140.7.0-1.el9_4 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-2.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-1.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Oskar L

Show details on NVD website

JSON

To clipboard

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CVE-2026-0882 (GCVE-0-2026-0882)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-07-15 01:23

Title

Use-after-free in the IPC component

Summary

Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 18:21 UTC

CWE

CWE-416 - Use After Free

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

32 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1924125
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-0882	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2428966	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:2231	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2271	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0667	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2220	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2074	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1471	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2073	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1461	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2070	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1487	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2069	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1462	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2047	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1413	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2044	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1415	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2041	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1414	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2043	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:1320	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0694	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:0924	vendor-advisoryx_refsource_REDHAT

Impacted products

23 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.32 , ≤ 115.* (rpm) Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:140.7.0-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:140.7.0-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	Unaffected: 0:140.7.0-1.el7_9 , < * (rpm) cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:140.7.0-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support	Unaffected: 0:140.7.0-1.el8_2 , < * (rpm) cpe:/a:redhat:rhel_aus:8.2
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_aus:8.4
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	Unaffected: 0:140.7.0-1.el8_4 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.4
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_tus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:140.7.0-1.el9_7 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_0 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.0
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:140.7.0-1.el9_2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 0:140.7.0-1.el9_4 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-2.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.7.0-1.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Randell Jesup

Show details on NVD website

JSON

To clipboard

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            "value": "RHSA-2026:2044: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:1415: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2041: Red Hat Enterprise Linux AppStream EUS (v.9.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:1414: Red Hat Enterprise Linux AppStream EUS (v.9.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2043: Red Hat Enterprise Linux AppStream EUS (v.9.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:1320: Red Hat Enterprise Linux AppStream EUS (v.9.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:0694: Red Hat Enterprise Linux AppStream (v. 9)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:0924: Red Hat Enterprise Linux AppStream (v. 9)"
          }
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            "lang": "en",
            "time": "2026-01-13T14:01:39.370Z",
            "value": "Reported to Red Hat."
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            "lang": "en",
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        "title": "firefox: thunderbird: Use-after-free in the IPC component",
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          "engine": "sadp-cli 1.0.0"
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CVE-2026-0883 (GCVE-0-2026-0883)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-04-13 13:51

Title

Information disclosure in the Networking component

Summary

Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 15:46 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

5 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1989340
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)

Credits

Vladislav Plyatsok

Show details on NVD website

JSON

To clipboard

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CVE-2026-0884 (GCVE-0-2026-0884)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-04-13 13:51

Title

Use-after-free in the JavaScript Engine component

Summary

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 15:35 UTC

CWE

CWE-416 - Use After Free

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

5 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2003588
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)

Credits

Gary Kwong and Nan Wang

Show details on NVD website

JSON

To clipboard

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CVE-2026-0885 (GCVE-0-2026-0885)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-04-13 13:51

Title

Use-after-free in the JavaScript: GC component

Summary

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 20:24 UTC

CWE

CWE-416 - Use After Free

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

5 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2003607
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)

Credits

Irvan Kurniawan

Show details on NVD website

JSON

To clipboard

{
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CVE-2026-0886 (GCVE-0-2026-0886)

Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-04-13 13:51

Title

Incorrect boundary conditions in the Graphics component

Summary

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 20:27 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 512 records in the last 180 days details

References

6 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2005658
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.32 , ≤ 115.* (rpm) Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.7 , ≤ 140.* (rpm) Unaffected: 147 , ≤ * (rpm)

Credits

Oskar L

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-0886",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-13T20:27:39.523757Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-119",
                "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-15T15:34:33.932Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
              "status": "unaffected",
              "version": "115.32",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.7",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "147",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.7",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "147",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Oskar L"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7."
            }
          ],
          "value": "Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-13T13:51:57.056Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2005658"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-01/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-02/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-04/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/"
        }
      ],
      "title": "Incorrect boundary conditions in the Graphics component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-0886",
    "datePublished": "2026-01-13T13:30:57.400Z",
    "dateReserved": "2026-01-13T13:30:57.209Z",
    "dateUpdated": "2026-04-13T13:51:57.056Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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