{"id":"CVE-2026-92024","title":"Use-after-free in the SVG component","summary":"Use-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-416","CWE-825"],"vendor":"mozilla","product":"firefox","affected":["firefox < 115.41.0","firefox >= 116.0, < 140.16.0","firefox >= 141.0, < 153.3.0","firefox >= 154.0.0, < 156.0.0","thunderbird < 140.16.0","thunderbird >= 141.0, < 153.3.0","thunderbird >= 154.0, < 156.0"],"patched":["firefox 156.0.0","thunderbird 156.0"],"published":"2026-09-15","updated":"2026-10-06","sourceUpdated":"2026-10-06T14:36:26.733","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92024","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2068354","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-91/","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-2026-92024.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92024"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2533737"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92024"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92024"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-92/#CVE-2026-92024"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-95/#CVE-2026-92024"},{"url":"https://access.redhat.com/errata/RHSA-2026:69461"},{"url":"https://access.redhat.com/errata/RHSA-2026:69462"},{"url":"https://access.redhat.com/errata/RHSA-2026:70642"},{"url":"https://access.redhat.com/errata/RHSA-2026:71652"},{"url":"https://access.redhat.com/errata/RHSA-2026:73130"},{"url":"https://access.redhat.com/errata/RHSA-2026:73971"},{"url":"https://access.redhat.com/errata/RHSA-2026:82818"},{"url":"https://access.redhat.com/errata/RHSA-2026:81392"},{"url":"https://access.redhat.com/errata/RHSA-2026:82122"},{"url":"https://access.redhat.com/errata/RHSA-2026:81913"},{"url":"https://access.redhat.com/errata/RHSA-2026:82720"},{"url":"https://access.redhat.com/errata/RHSA-2026:81912"},{"url":"https://access.redhat.com/errata/RHSA-2026:82780"},{"url":"https://access.redhat.com/errata/RHSA-2026:81394"},{"url":"https://access.redhat.com/errata/RHSA-2026:81393"},{"url":"https://access.redhat.com/errata/RHSA-2026:82817"},{"url":"https://access.redhat.com/errata/RHSA-2026:81884"},{"url":"https://access.redhat.com/errata/RHSA-2026:83496"},{"url":"https://access.redhat.com/errata/RHSA-2026:82779"},{"url":"https://access.redhat.com/errata/RHSA-2026:83076"},{"url":"https://access.redhat.com/errata/RHSA-2026:83077"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00319,"epssPercentile":0.24749,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-20T00:17:59.650863Z"},"scores":{"nvd":8.8,"vendor":7.5,"adp":8.8},"ingestedAt":"2026-09-15T12:36:50.192Z","slug":"CVE-2026-92024","body":"## Overview\n\nUse-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.\n\n## Affected\n\n- `firefox < 115.41.0`\n- `firefox >= 116.0, < 140.16.0`\n- `firefox >= 141.0, < 153.3.0`\n- `firefox >= 154.0.0, < 156.0.0`\n- `thunderbird < 140.16.0`\n- `thunderbird >= 141.0, < 153.3.0`\n- `thunderbird >= 154.0, < 156.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox 156.0.0`\n- `thunderbird 156.0`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 10 · updated 2026-10-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92024.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)\n- **RHSA-2026:70642** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:70642)\n- **RHSA-2026:71652** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71652)\n- **RHSA-2026:73130** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-09-29 · [advisory](https://access.redhat.com/errata/RHSA-2026:73130)\n- **RHSA-2026:73971** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-09-30 · [advisory](https://access.redhat.com/errata/RHSA-2026:73971)\n- **RHSA-2026:82818** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0) · released 2026-10-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:82818)\n- **RHSA-2026:81392** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0) · released 2026-10-12 · [advisory](https://access.redhat.com/errata/RHSA-2026:81392)\n- **RHSA-2026:82122** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2026-10-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:82122)\n- **RHSA-2026:81913** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) · released 2026-10-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:81913)\n- **RHSA-2026:82720** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · released 2026-10-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:82720)\n- **RHSA-2026:81912** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · released 2026-10-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:81912)\n- **RHSA-2026:82780** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.2) · released 2026-10-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:82780)\n- **RHSA-2026:83496** · Red Hat · fixed in: Red Hat Enterprise Linux Server (v. 7 ELS) · released 2026-10-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:83496)\n- **RHSA-2026:82779** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2026-10-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:82779)\n- **RHSA-2026:83076** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) · released 2026-10-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:83076)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":207871,"id":"CVE-2026-92024","ts":1789870390503,"field":"cvss","old":"7.5","new":"8.8"},{"seq":205458,"id":"CVE-2026-92024","ts":1789576721017,"field":"cvss","old":null,"new":"7.5"},{"seq":205457,"id":"CVE-2026-92024","ts":1789576721017,"field":"severity","old":"none","new":"high"}]}