CVE-2026-41907

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

CVE-2026-41907 is fixed in node-uuid on 1 platform by DEBIAN-CVE-2026-41907 (version 14.0.0+~11.0.0-1), released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.5

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0035

28th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
node-uuid · Debian 14	14.0.0+~11.0.0-1	DEBIAN-CVE-2026-41907	May 15, 2026

Details

Published
April 24, 2026
Weakness
Use of Out-of-range Pointer Offset
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41907

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