{"id":"CVE-2026-6767","published":"2026-04-21T12:41:00Z","modified":"2026-05-27T17:09:44Z","title":"Other issue in the Libraries component in NSS","vendor":"Mozilla","product":"Firefox","tier":"tail","description":{"text":"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.","provenance":"source","from":"CVE.org"},"cvss":{"score":5.3,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00227,"percentile":0.13478,"provenance":"source"},"cwes":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2023209","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-31/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-32/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-33/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-34/","tags":[]}],"priority":{"score":6.4,"factors":[{"name":"EPSS percentile","points":2.7},{"name":"CVSS severity","points":3.71}]},"vendorSlug":"mozilla","euvd":{"id":"EUVD-2026-24108","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-mozilla-firefox-cwe-119"}}