CVE-2026-92239

{"id": "CVE-2026-92239", "cveTags": [], "metrics": {}, "affected": [{"source": "security@mozilla.org", "affectedData": [{"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "unaffected", "version": "140.16", "versionType": "rpm", "lessThanOrEqual": "140.*"}, {"status": "unaffected", "version": "153.3", "versionType": "rpm", "lessThanOrEqual": "153.*"}, {"status": "unaffected", "version": "156", "versionType": "rpm", "lessThanOrEqual": "*"}]}]}], "published": "2026-09-15T20:19:41.577", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2060488", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-94/", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-95/", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-96/", "source": "security@mozilla.org"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."}], "lastModified": "2026-09-16T19:34:05.910", "sourceIdentifier": "security@mozilla.org"}