CVE-2026-7320

Published: Apr 28, 2026Modified: May 1, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (5)

Products: Mozilla: Firefox, Thunderbird

2 products

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 150.0.1
Mozilla Firefox	Before 115.35.1
Mozilla Firefox	From 128.0 to 140.10.1
Mozilla Thunderbird	Before 150.0.1
Mozilla Thunderbird	Before 140.10.1

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (6)

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

Source: security@mozilla.org

Permissions Required

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

Source: security@mozilla.org

Vendor Advisory

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

Source: security@mozilla.org

Vendor Advisory

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

Source: security@mozilla.org

Vendor Advisory

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

Source: security@mozilla.org

Vendor Advisory

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

Source: security@mozilla.org

Vendor Advisory

Timeline

No history available yet.