CVE-2026-4727

Description

Denial-of-service in the Libraries component in NSS. This vulnerability was fixed in Firefox 149 and Thunderbird 149.

Affected Platforms

Weakness Type

CWE-400

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2008112
• https://www.mozilla.org/security/advisories/mfsa2026-20/
• https://www.mozilla.org/security/advisories/mfsa2026-23/