{"id":"CVE-2026-0880","title":"Sandbox escape due to integer overflow in the Graphics component","summary":"Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.","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-190"],"vendor":"mozilla","product":"firefox","affected":["firefox < 115.32.0","firefox < 147.0","firefox >= 128.0, < 140.7.0","thunderbird < 140.7.0","thunderbird < 147.0"],"patched":["firefox 140.7.0","thunderbird 147.0"],"published":"2026-01-13","updated":"2026-06-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-0880","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2005014","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-01/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-02/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-03/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-04/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-05/","label":"security@mozilla.org"},{"url":"https://access.redhat.com/errata/RHSA-2026:0667","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:0694","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:0924","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:1320","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:1413","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:1414","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:1415","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:1461","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:1462","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:1471","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:1487","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2041","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2043","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2044","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2047","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2069","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2070","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2073","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2074","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2220","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2231","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2271","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2286","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-0880","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2428975","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0880.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-0880"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0880"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0880"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0880"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00543,"epssPercentile":0.45417,"ingestedAt":"2026-06-30T13:26:50.470Z","scores":{"nvd":8.8,"vendor":7.5},"slug":"CVE-2026-0880","body":"## Overview\n\nSandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.\n\n## Affected\n\n- `firefox < 115.32.0`\n- `firefox < 147.0`\n- `firefox >= 128.0, < 140.7.0`\n- `thunderbird < 140.7.0`\n- `thunderbird < 147.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox 140.7.0`\n- `thunderbird 147.0`\n\n## Vendor advisories\n\n- **RHSA-2026:2231** · Red Hat · fixed in: Red Hat Enterprise Linux Server (v. 7 ELS) · released 2026-02-09 · [advisory](https://access.redhat.com/errata/RHSA-2026:2231)\n- **RHSA-2026:2271** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux AppStream (v. 10) · released 2026-02-09 · [advisory](https://access.redhat.com/errata/RHSA-2026:2271)\n- **RHSA-2026:2286** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux AppStream (v. 10) · released 2026-02-09 · [advisory](https://access.redhat.com/errata/RHSA-2026:2286)\n- **RHSA-2026:0667** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-01-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:0667)\n- **RHSA-2026:2220** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-02-09 · [advisory](https://access.redhat.com/errata/RHSA-2026:2220)\n- **RHSA-2026:2074** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v. 8.2) · released 2026-02-05 · [advisory](https://access.redhat.com/errata/RHSA-2026:2074)\n- **RHSA-2026:1471** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v. 8.2) · released 2026-01-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:1471)\n- **RHSA-2026:2073** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2026-02-05 · [advisory](https://access.redhat.com/errata/RHSA-2026:2073)\n- **RHSA-2026:1461** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2026-01-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:1461)\n- **RHSA-2026:2070** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6) · released 2026-02-05 · [advisory](https://access.redhat.com/errata/RHSA-2026:2070)\n- **RHSA-2026:1487** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6) · released 2026-01-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:1487)\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 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0880.json)","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}