CVE-2026-6767
MEDIUM severity · CVSS 5.3 · Memory corruption
5.3CVSS MEDIUM
Summary
Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2026-30/Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-31/Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-32/Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-33/Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-34/Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=2023209