Vulnerability-Lookup

FKIE_CVE-2026-12292

Vulnerability from fkie_nvd - Published: 2026-06-16 13:16 - Updated: 2026-06-30 13:17

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

Summary

Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

References

URL	Tags
security@mozilla.org	https://bugzilla.mozilla.org/show_bug.cgi?id=2038465	Permissions Required
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-57/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-58/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-60/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-61/	Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:27717
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:27733
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:27734
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:29940
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:30846
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:33445
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/security/cve/CVE-2026-12292
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://bugzilla.redhat.com/show_bug.cgi?id=2489237
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12292.json

Impacted products

Vendor	Product	Version
mozilla	firefox	*
mozilla	firefox	*
mozilla	thunderbird	*
mozilla	thunderbird	*

JSON

To clipboard

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}

CVE-2026-12292 (GCVE-0-2026-12292)

Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-30 12:05

Title

Incorrect boundary conditions in the Web Audio component

Summary

Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

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: total

CISA Coordinator (v2.0.3)

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787 - Out-of-bounds Write

Assigner

mozilla

References

14 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2038465
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-2026-12292	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2489237	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:27733	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30846	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:27717	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33445	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:27734	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:29940	vendor-advisoryx_refsource_REDHAT

Impacted products

8 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 140.12 , ≤ 140.* (rpm) Unaffected: 152 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.12 , ≤ 140.* (rpm) Unaffected: 152 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
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

Zijie Zhao

Show details on NVD website

JSON

To clipboard

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        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.12",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "152",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.12",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "152",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Zijie Zhao"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12."
            }
          ],
          "value": "Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-16T16:08:25.546Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2038465"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-57/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-58/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-60/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-61/"
        }
      ],
      "title": "Incorrect boundary conditions in the Web Audio component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-12292",
    "datePublished": "2026-06-16T11:52:25.938Z",
    "dateReserved": "2026-06-15T15:08:07.009Z",
    "dateUpdated": "2026-06-30T12:05:56.515Z",
    "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.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-12292

CVE-2026-12292 (GCVE-0-2026-12292)

Tags

Sightings

Nomenclature