PT-2026-35734 · Mozilla · Firefox

Xuehao Guo · Published 2026-04-28 · Updated 2026-04-28 · CVE-2026-7320

Mitre

CVSS v3.1

7.5

High

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

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.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2026-7320

Affected Products

Firefox

References · 5

• https://mozilla.org/security/advisories/mfsa2026-35 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2026-37 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2026-36 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-7320 · Security Note
• https://bugzilla.mozilla.org/show_bug.cgi?id=2027433 · Note