CVE-2026-7320

HIGH

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

Title source: cna

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, and Firefox ESR 115.35.1.

References (6)

https://bugzilla.mozilla.org/show_bug.cgi?id=2027433

https://www.mozilla.org/security/advisories/mfsa2026-35/

https://www.mozilla.org/security/advisories/mfsa2026-36/

https://www.mozilla.org/security/advisories/mfsa2026-37/

https://www.mozilla.org/security/advisories/mfsa2026-38/

https://www.mozilla.org/security/advisories/mfsa2026-39/

Scores

CVSS v3 7.5

EPSS 0.0004

EPSS Percentile 10.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-119

Status published

Products (5)

Mozilla/Firefox 115.35.1 - 115.*

Mozilla/Firefox 140.10.1 - 140.*

Mozilla/Firefox 150.0.1

Mozilla/Thunderbird 140.10.1 - 140.*

Mozilla/Thunderbird 150.0.1

Published Apr 28, 2026

Tracked Since Apr 28, 2026