{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T17:34:05.843","vulnerabilities":[{"cve":{"id":"CVE-2025-4918","sourceIdentifier":"security@mozilla.org","published":"2025-05-17T22:15:19.563","lastModified":"2026-04-13T15:17:01.407","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2."},{"lang":"es","value":"Un atacante logró realizar una lectura o escritura fuera de los límites en un objeto \"Promise\" de JavaScript. Esta vulnerabilidad afecta a Firefox (versión anterior a 138.0.4), Firefox ESR (versión anterior a 128.10.1) y Firefox ESR (versión anterior a 115.23.1)."}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}]},"weaknesses":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-125"},{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*","versionEndExcluding":"115.23.1","matchCriteriaId":"BD156D89-BD24-483A-A355-1B45A0A2E66F"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*","versionEndExcluding":"138.0.4","matchCriteriaId":"83AE9635-80D1-49DD-B7A5-8E4E235B1C87"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*","versionStartIncluding":"116.0","versionEndExcluding":"128.10.1","matchCriteriaId":"7F2F0DE1-8619-4C18-83B0-46E543AE8E9E"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","versionEndExcluding":"128.10.2","matchCriteriaId":"08FDB838-27AF-43C3-AC02-27C34ED5481A"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*","versionStartIncluding":"138.0","versionEndExcluding":"138.0.2","matchCriteriaId":"F76ABBB9-7E44-45A0-BEE9-81CD9C0A33ED"}]}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1966612","source":"security@mozilla.org","tags":["Permissions Required"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-36/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-37/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-38/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-40/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-41/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-4918-detect-firefox-out-of-bounds-write","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-4918-mitigate-firefox-out-of-bounds-write","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}]}