{"id":"CVE-2026-92031","title":"Information disclosure in the Graphics: ImageLib component","summary":"Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-200","CWE-497"],"vendor":"Mozilla","product":"Firefox","affected":["Firefox","Thunderbird"],"published":"2026-09-15","updated":"2026-09-21","sourceUpdated":"2026-09-21T17:19:16.260","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92031","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2067971","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-92/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-93/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-94/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-95/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-96/","label":"security@mozilla.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92031.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92031"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2533742"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92031"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92031"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-92/#CVE-2026-92031"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-95/#CVE-2026-92031"},{"url":"https://access.redhat.com/errata/RHSA-2026:69461"},{"url":"https://access.redhat.com/errata/RHSA-2026:69462"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-21T16:53:45.558553Z"},"epss":0.00327,"epssPercentile":0.26009,"scores":{"nvd":6.5,"vendor":6.1},"ingestedAt":"2026-09-15T12:36:50.189Z","patched":["enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_9"],"slug":"CVE-2026-92031","body":"## Overview\n\nInformation disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, … · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92031.json)\n- **RHSA-2026:69461** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69461)\n- **RHSA-2026:69462** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69462)","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":208610,"id":"CVE-2026-92031","ts":1790013028551,"field":"cvss","old":"6.1","new":"6.5"},{"seq":206324,"id":"CVE-2026-92031","ts":1789663216337,"field":"cvss","old":null,"new":"6.1"},{"seq":206323,"id":"CVE-2026-92031","ts":1789663216337,"field":"severity","old":"none","new":"medium"}]}