CVE-2026-7320

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

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

History

30 Jun 2026, 03:21

Type Values Removed Values Added
CWE CWE-125
References
  • () https://access.redhat.com/errata/RHSA-2026:19153 -
  • () https://access.redhat.com/errata/RHSA-2026:19157 -
  • () https://access.redhat.com/errata/RHSA-2026:19348 -
  • () https://access.redhat.com/errata/RHSA-2026:19370 -
  • () https://access.redhat.com/errata/RHSA-2026:19588 -
  • () https://access.redhat.com/errata/RHSA-2026:20586 -
  • () https://access.redhat.com/errata/RHSA-2026:21743 -
  • () https://access.redhat.com/errata/RHSA-2026:22324 -
  • () https://access.redhat.com/errata/RHSA-2026:22408 -
  • () https://access.redhat.com/errata/RHSA-2026:22409 -
  • () https://access.redhat.com/errata/RHSA-2026:22410 -
  • () https://access.redhat.com/errata/RHSA-2026:22708 -
  • () https://access.redhat.com/errata/RHSA-2026:22712 -
  • () https://access.redhat.com/errata/RHSA-2026:22847 -
  • () https://access.redhat.com/errata/RHSA-2026:24345 -
  • () https://access.redhat.com/errata/RHSA-2026:24717 -
  • () https://access.redhat.com/errata/RHSA-2026:24718 -
  • () https://access.redhat.com/errata/RHSA-2026:24719 -
  • () https://access.redhat.com/errata/RHSA-2026:24721 -
  • () https://access.redhat.com/errata/RHSA-2026:24844 -
  • () https://access.redhat.com/errata/RHSA-2026:24846 -
  • () https://access.redhat.com/errata/RHSA-2026:25014 -
  • () https://access.redhat.com/security/cve/CVE-2026-7320 -
  • () https://bugzilla.redhat.com/show_bug.cgi?id=2463483 -
  • () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7320.json -

01 May 2026, 12:32

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=2027433 - () https://bugzilla.mozilla.org/show_bug.cgi?id=2027433 - Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2026-35/ - () https://www.mozilla.org/security/advisories/mfsa2026-35/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-36/ - () https://www.mozilla.org/security/advisories/mfsa2026-36/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-37/ - () https://www.mozilla.org/security/advisories/mfsa2026-37/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-38/ - () https://www.mozilla.org/security/advisories/mfsa2026-38/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-39/ - () https://www.mozilla.org/security/advisories/mfsa2026-39/ - Vendor Advisory
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
First Time Mozilla
Mozilla firefox
Mozilla thunderbird

30 Apr 2026, 18:16

Type Values Removed Values Added
Summary (en) 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, and Firefox ESR 115.35.1. (en) 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
  • () https://www.mozilla.org/security/advisories/mfsa2026-38/ -
  • () https://www.mozilla.org/security/advisories/mfsa2026-39/ -

28 Apr 2026, 16:16

Type Values Removed Values Added
CWE CWE-119
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.5

28 Apr 2026, 15:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-04-28 15:16

Updated : 2026-07-15 01:16


NVD link : CVE-2026-7320

Mitre link : CVE-2026-7320

CVE.ORG link : CVE-2026-7320


JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-125

Out-of-bounds Read