{"id":"CVE-2026-109761","revision":"19bdb8077e76409a8673911a9e49a986","records":[{"revision":"19bdb8077e76409a8673911a9e49a986","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109761","aliases":[],"title":"Use-after-free in the JavaScript: WebAssembly component","description":"Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.","state":0,"publishedAt":"2026-10-13T12:29:31.477+00:00","modifiedAt":"2026-10-13T18:08:25.527+00:00","affected":[{"ecosystem":"Vendor product","name":"Firefox","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Firefox\",\n                    \"vendor\": \"Mozilla\",\n                    \"versions\": [\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"158\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"versionType\": \"rpm\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Thunderbird","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Thunderbird\",\n                    \"vendor\": \"Mozilla\",\n                    \"versions\": [\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"158\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"versionType\": \"rpm\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2071764","https://www.mozilla.org/security/advisories/mfsa2026-106/","https://www.mozilla.org/security/advisories/mfsa2026-109/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109761","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109761","identifiers":["CVE-2026-109761"]},"retained":false,"historicalAffected":[]}],"coverage":[]}