{"id":"CVE-2025-30403","state":"PUBLISHED","title":"A heap-buffer-overflow vulnerability is possible in mvfst via a specially crafted message during a QUIC session. This issue affects mvfst versions prior to v2025.07.07.00.","description":"A heap-buffer-overflow vulnerability is possible in mvfst via a specially crafted message during a QUIC session. This issue affects mvfst versions prior to v2025.07.07.00.","publishedAt":"2025-07-11T18:26:51.212Z","updatedAt":"2025-07-11T19:23:37.185Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","source":"CISA-ADP"},"assigner":"facebook","products":["Facebook mvfst"],"affected":[{"vendor":"Facebook","product":"mvfst","defaultStatus":"unaffected","versions":[{"version":"v2025.03.24.00","status":"affected","lessThan":"v2025.07.07.00","versionType":"semver"}]}],"references":["https://www.facebook.com/security/advisories/cve-2025-30403","https://github.com/facebook/mvfst/commit/65b297332191de6e867c4a3139a233fc84c0e7e0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/30xxx/CVE-2025-30403.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-30403","state":"PUBLISHED","datePublished":"2025-07-11T18:26:51.212Z","dateUpdated":"2025-07-11T19:23:37.185Z","assignerShortName":"facebook","assignerOrgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827","dateReserved":"2025-03-21T19:52:56.085Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A heap-buffer-overflow vulnerability is possible in mvfst via a specially crafted message during a QUIC session. This issue affects mvfst versions prior to v2025.07.07.00."}],"affected":[{"vendor":"Facebook","product":"mvfst","defaultStatus":"unaffected","versions":[{"version":"v2025.03.24.00","status":"affected","lessThan":"v2025.07.07.00","versionType":"semver"}]}],"references":[{"url":"https://www.facebook.com/security/advisories/cve-2025-30403","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/facebook/mvfst/commit/65b297332191de6e867c4a3139a233fc84c0e7e0","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"Heap-based Buffer Overflow (CWE-122)","lang":"en"}]}],"providerMetadata":{"shortName":"facebook","orgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827","dateUpdated":"2025-07-11T18:26:51.212Z"},"dateAssigned":"2025-06-26T00:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-07-11T19:22:21.366810Z","id":"CVE-2025-30403","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-07-11T19:23:37.185Z"}}]}}}