uuid before 14.0.0 can make unexpected writes when external output buffers are used, and the UUID version is 3, 5, or 6. In particular, UUID version 4, which is very commonly used, is unaffected by this issue.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-41907US | high7.5 | — | ||
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 lar… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41988.jsonADVISORY
- https://github.com/uuidjs/uuid/commit/3d2c5b0342f0fcb52a5ac681c3d47c13e7444b34FIX
- https://github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pqADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-41988ADVISORY
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