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CVE-2026-41907

uuid: Missing buffer bounds check in `v3`/`v5`/`v6` when `buf` is provided

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.

CVSS 4.0 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Uuidjs
Products
Uuid
CVE-2026-41988

uuid: uuid: Unexpected data writes when using external output buffers with specific UUID versions

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.

CVSS 3.1 · 3.2 Low EPSS < 1% KEV · Not listed
Vendors
Uuidjs
Products
Uuid