CVEvulnerability
CVE-2026-2781
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2026-02-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-190
Description
Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35.
Affected configurations
• mozilla firefox (< 140.8.0)
• mozilla firefox (< 148.0)
• mozilla thunderbird (< 140.8.0)
• mozilla thunderbird (< 148.0)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2009552 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-13/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-15/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-16/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-17/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-31/ www.mozilla.org
- https://lists.debian.org/debian-lts-announce/2026/03/msg00012.html lists.debian.org