CVE-2026-7320

high

Description

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.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

https://access.redhat.com/errata/RHSA-2026:19157

https://access.redhat.com/errata/RHSA-2026:19153

Details

Source: Mitre, NVD

Published: 2026-04-28

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.0003