{"id":"CVE-2025-3032","state":"PUBLISHED","title":"Leaking file descriptors from the fork server","description":"Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed in Firefox 137 and Thunderbird 137.","publishedAt":"2025-04-01T12:29:03.420Z","updatedAt":"2026-04-13T14:29:30.510Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"137","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"137","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1949987","https://www.mozilla.org/security/advisories/mfsa2025-20/","https://www.mozilla.org/security/advisories/mfsa2025-23/"],"weaknesses":["CWE-403"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/3xxx/CVE-2025-3032.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-3032","state":"PUBLISHED","datePublished":"2025-04-01T12:29:03.420Z","dateUpdated":"2026-04-13T14:29:30.510Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2025-03-31T09:35:27.921Z"},"containers":{"cna":{"title":"Leaking file descriptors from the fork server","descriptions":[{"lang":"en","value":"Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed in Firefox 137 and Thunderbird 137."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"137","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"137","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1949987"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-20/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-23/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-04-13T14:29:30.510Z"},"credits":[{"lang":"en","value":"Thinker Li"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.4,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2025-3032","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-04-02T03:55:34.171157Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-403","lang":"en","type":"CWE","description":"CWE-403 Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T18:29:04.359Z"}}]}}}