CVEvulnerability
CVE-2026-100756
8.1 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-09-29
- Last modified
- 2026-10-06
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-119
Description
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
Affected configurations
• mozilla firefox (>= 115.0 < 115.42.0)
• mozilla firefox (>= 140.0.0 < 140.17.0)
• mozilla firefox (>= 153.0.0 < 153.4.0)
• mozilla firefox (>= 154.0.0 < 157.0.0)
• mozilla thunderbird (>= 140.0 < 140.17.0)
• mozilla thunderbird (>= 153.0 < 153.4.0)
• mozilla thunderbird (>= 154.0 < 157.0)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2047721 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-100/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-101/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-102/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-103/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-97/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-98/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-99/ Vendor Advisory