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.
https://www.securityweek.com/chrome-147-firefox-150-security-updates-rolling-out/
https://www.mozilla.org/security/advisories/mfsa2026-39/
https://www.mozilla.org/security/advisories/mfsa2026-38/
https://www.mozilla.org/security/advisories/mfsa2026-37/
https://www.mozilla.org/security/advisories/mfsa2026-36/
https://www.mozilla.org/security/advisories/mfsa2026-35/
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7320.json
https://bugzilla.redhat.com/show_bug.cgi?id=2463483
https://bugzilla.mozilla.org/show_bug.cgi?id=2027433
https://access.redhat.com/security/cve/CVE-2026-7320
https://access.redhat.com/errata/RHSA-2026:25014
https://access.redhat.com/errata/RHSA-2026:24846
https://access.redhat.com/errata/RHSA-2026:24844
https://access.redhat.com/errata/RHSA-2026:24721
https://access.redhat.com/errata/RHSA-2026:24719
https://access.redhat.com/errata/RHSA-2026:24718
https://access.redhat.com/errata/RHSA-2026:24717
https://access.redhat.com/errata/RHSA-2026:24345
https://access.redhat.com/errata/RHSA-2026:22847
https://access.redhat.com/errata/RHSA-2026:22712
https://access.redhat.com/errata/RHSA-2026:22708
https://access.redhat.com/errata/RHSA-2026:22410
https://access.redhat.com/errata/RHSA-2026:22409
https://access.redhat.com/errata/RHSA-2026:22408
https://access.redhat.com/errata/RHSA-2026:22324
https://access.redhat.com/errata/RHSA-2026:21743
https://access.redhat.com/errata/RHSA-2026:20586
https://access.redhat.com/errata/RHSA-2026:19588
https://access.redhat.com/errata/RHSA-2026:19370
https://access.redhat.com/errata/RHSA-2026:19348