{"id":"CVE-2026-100804","revision":"22c95ada3cec47e48a6c332b977dcca1","records":[{"revision":"22c95ada3cec47e48a6c332b977dcca1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-100804","aliases":[],"title":"Sandbox escape due to use-after-free in the Preferences: Backend component","description":"Sandbox escape due to use-after-free in the Preferences: Backend component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.","state":0,"publishedAt":"2026-09-29T12:36:20.719+00:00","modifiedAt":"2026-09-30T17:14:57.783+00:00","affected":[{"ecosystem":"Vendor product","name":"Thunderbird","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Thunderbird\",\n                    \"vendor\": \"Mozilla\",\n                    \"versions\": [\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"157\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"versionType\": \"rpm\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Firefox","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Firefox\",\n                    \"vendor\": \"Mozilla\",\n                    \"versions\": [\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"157\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"versionType\": \"rpm\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2058647","https://www.mozilla.org/security/advisories/mfsa2026-101/","https://www.mozilla.org/security/advisories/mfsa2026-97/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-100804","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-100804","identifiers":["CVE-2026-100804"]},"retained":false,"historicalAffected":[]}],"coverage":[]}