Vulnerability-Lookup

FKIE_CVE-2026-7320

Vulnerability from fkie_nvd - Published: 2026-04-28 15:16 - Updated: 2026-10-26 20:10

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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

Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

References

URL	Tags
security@mozilla.org	https://bugzilla.mozilla.org/show_bug.cgi?id=2027433	Permissions Required
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-35/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-36/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-37/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-38/	Vendor Advisory
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2026-39/	Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19153
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19157
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19348
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19370
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19588
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:20586
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:21743
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:22324
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:22408
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:22409
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:22410
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:22708
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:22712
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:22847
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:24345
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:24717
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:24718
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:24719
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:24721
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:24844
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:24846
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:25014
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/security/cve/CVE-2026-7320
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://bugzilla.redhat.com/show_bug.cgi?id=2463483
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7320.json

Impacted products

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

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
              "status": "unaffected",
              "version": "115.35.1",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.10.1",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "150.0.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.10.1",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "150.0.1",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "source": "security@mozilla.org"
    },
    {
      "affectedData": [
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:10.2"
          ],
          "defaultStatus": "affected",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:140.10.1-1.el10_2",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:10.2"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat",
          "versions": [
            {
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              "status": "unaffected",
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              "versionType": "rpm"
            }
          ]
        },
        {
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          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.10.1-1.el10_0",
              "versionType": "rpm"
            }
          ]
        },
        {
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          "cpes": [
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          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
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          ]
        },
        {
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          "cpes": [
            "cpe:/o:redhat:rhel_els:7"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:140.10.1-1.el7_9",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
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        },
        {
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          "packageName": "thunderbird",
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          ]
        },
        {
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          "cpes": [
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          ],
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          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
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        {
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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          ],
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          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
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          "vendor": "Red Hat",
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            }
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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          ],
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          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On",
          "vendor": "Red Hat",
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        {
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          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
          "vendor": "Red Hat",
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          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
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          ],
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          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
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          "packageName": "firefox",
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          "packageName": "firefox",
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        {
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        {
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          "packageName": "firefox",
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          "cpes": [
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          "packageName": "thunderbird",
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          "cpes": [
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          "defaultStatus": "affected",
          "packageName": "rhel10/firefox-flatpak",
          "product": "Red Hat Enterprise Linux 10",
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        },
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          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "rhel10/thunderbird-flatpak",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat"
        },
        {
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          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
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          "cpes": [
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          "defaultStatus": "unknown",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
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          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
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      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
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    },
    {
      "lang": "es",
      "value": "Revelaci\u00f3n de informaci\u00f3n debido a condiciones de contorno incorrectas en el componente de Audio/Video. Esta vulnerabilidad se corrigi\u00f3 en Firefox 150.0.1, Firefox ESR 140.10.1 y Firefox ESR 115.35.1."
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}

CVE-2026-7320 (GCVE-0-2026-7320)

Vulnerability from cvelistv5 – Published: 2026-04-28 13:49 – Updated: 2026-07-15 00:40

Title

Information disclosure due to incorrect boundary conditions in the Audio/Video component

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-28 15:36 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-125 - Out-of-bounds Read

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 683 records in the last 180 days details

References

31 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2027433
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-2026-7320	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2463483	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:22708	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22408	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24719	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19157	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19153	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19588	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20586	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22712	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24718	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24345	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25014	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22847	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24717	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21743	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22410	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24844	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22324	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24846	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22409	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24721	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19370	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19348	vendor-advisoryx_refsource_REDHAT

Impacted products

20 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.35.1 , ≤ 115.* (rpm) Unaffected: 140.10.1 , ≤ 140.* (rpm) Unaffected: 150.0.1 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.10.1 , ≤ 140.* (rpm) Unaffected: 150.0.1 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:140.10.1-1.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:140.10.1-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	Unaffected: 0:140.10.1-1.el7_9 , < * (rpm) cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:140.10.1-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 0:140.10.1-1.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: 0:140.10.1-1.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: 0:140.10.1-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On	Unaffected: 0:140.10.1-1.el8_6 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 0:140.10.1-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 0:140.10.1-1.el8_8 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:140.10.1-1.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	Unaffected: 0:140.10.1-1.el9_0 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.0
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:140.10.1-1.el9_2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	Unaffected: 0:140.10.1-1.el9_4 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:140.10.1-1.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

Xuehao Guo

Show details on NVD website

JSON

To clipboard

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            "value": "RHSA-2026:19370: Red Hat Enterprise Linux AppStream (v. 9)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:19348: Red Hat Enterprise Linux AppStream (v. 9)"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-04-28T15:01:16.105Z",
            "value": "Reported to Red Hat."
          },
          {
            "lang": "en",
            "time": "2026-04-28T13:49:08.262Z",
            "value": "Made public."
          }
        ],
        "title": "firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component",
        "x_adpType": "supplier",
        "x_generator": {
          "engine": "sadp-cli 1.0.0"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
              "status": "unaffected",
              "version": "115.35.1",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.10.1",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "150.0.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.10.1",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "150.0.1",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Xuehao Guo"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1."
            }
          ],
          "value": "Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-30T17:19:50.682Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2027433"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-35/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-36/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-37/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-38/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-39/"
        }
      ],
      "title": "Information disclosure due to incorrect boundary conditions in the Audio/Video component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-7320",
    "datePublished": "2026-04-28T13:49:08.262Z",
    "dateReserved": "2026-04-28T13:42:15.666Z",
    "dateUpdated": "2026-07-15T00:40:10.989Z",
    "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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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