{"api_version":"1","generated_at":"2026-05-13T00:13:58+00:00","cve":"CVE-2026-8389","urls":{"html":"https://cve.report/CVE-2026-8389","api":"https://cve.report/api/cve/CVE-2026-8389.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-8389","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-8389"},"summary":{"title":"JIT miscompilation in the JavaScript Engine: JIT component","description":"JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.","state":"PUBLISHED","assigner":"mozilla","published_at":"2026-05-12 14:17:11","updated_at":"2026-05-12 14:20:56"},"problem_types":[],"metrics":[],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2026-45/","name":"https://www.mozilla.org/security/advisories/mfsa2026-45/","refsource":"security@mozilla.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2036983","name":"https://bugzilla.mozilla.org/show_bug.cgi?id=2036983","refsource":"security@mozilla.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-8389","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8389","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Mozilla","product":"Firefox","version":"unaffected 150.0.3 * rpm","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"ggwhyp","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"150.0.3","versionType":"rpm"}]}],"credits":[{"lang":"en","value":"ggwhyp"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3."}],"value":"JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3."}],"providerMetadata":{"dateUpdated":"2026-05-12T12:36:12.516Z","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla"},"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2036983"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-45/"}],"title":"JIT miscompilation in the JavaScript Engine: JIT component"}},"cveMetadata":{"assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","assignerShortName":"mozilla","cveId":"CVE-2026-8389","datePublished":"2026-05-12T12:36:12.516Z","dateReserved":"2026-05-12T12:36:11.734Z","dateUpdated":"2026-05-12T12:36:12.516Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-12 14:17:11","lastModifiedDate":"2026-05-12 14:20:56","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"8389","Ordinal":"1","Title":"JIT miscompilation in the JavaScript Engine: JIT component","CVE":"CVE-2026-8389","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"8389","Ordinal":"1","NoteData":"JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.","Type":"Description","Title":"JIT miscompilation in the JavaScript Engine: JIT component"}]}}}