{"id":"CVE-2026-41907","state":"PUBLISHED","title":"uuid: Missing buffer bounds check in `v3`/`v5`/`v6` when `buf` is provided","description":"uuid is for the creation of RFC9562 (formerly RFC4122) UUIDs. Prior to 14.0.0, v3, v5, and v6 accept external output buffers but do not reject out-of-range writes (small buf or large offset). This allows silent partial writes into caller-provided buffers. This vulnerability is fixed in 14.0.0.","publishedAt":"2026-04-24T18:09:24.744Z","updatedAt":"2026-04-27T13:35:34.363Z","severity":{"score":8.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","source":"GitHub_M"},"assigner":"GitHub_M","products":["uuidjs uuid"],"affected":[{"vendor":"uuidjs","product":"uuid","versions":[{"version":"< 14.0.0","status":"affected"}]}],"references":["https://github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pq"],"weaknesses":["CWE-823","CWE-787"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41907.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41907","state":"PUBLISHED","datePublished":"2026-04-24T18:09:24.744Z","dateUpdated":"2026-04-27T13:35:34.363Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-22T15:11:54.673Z"},"containers":{"cna":{"title":"uuid: Missing buffer bounds check in `v3`/`v5`/`v6` when `buf` is provided","descriptions":[{"lang":"en","value":"uuid is for the creation of RFC9562 (formerly RFC4122) UUIDs. Prior to 14.0.0, v3, v5, and v6 accept external output buffers but do not reject out-of-range writes (small buf or large offset). This allows silent partial writes into caller-provided buffers. This vulnerability is fixed in 14.0.0."}],"affected":[{"vendor":"uuidjs","product":"uuid","versions":[{"version":"< 14.0.0","status":"affected"}]}],"references":[{"url":"https://github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pq","name":"https://github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pq","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-823","lang":"en","description":"CWE-823: Use of Out-of-range Pointer Offset","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787: Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-24T18:09:24.744Z"},"source":{"advisory":"GHSA-w5hq-g745-h8pq","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pq","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-27T13:13:45.256759Z","id":"CVE-2026-41907","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-27T13:35:34.363Z"}}]}}}