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

Low severity GitHub Reviewed Published Apr 23, 2026 to the GitHub Advisory Database • Updated May 5, 2026
Withdrawn This advisory was withdrawn on May 5, 2026

Package

npm uuid (npm)

Affected versions

< 14.0.0

Patched versions

14.0.0

Description

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-w5hq-g745-h8pq. This link is maintained to preserve external references.

Original Advisory

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.

References

Published by the National Vulnerability Database Apr 23, 2026
Published to the GitHub Advisory Database Apr 23, 2026
Reviewed May 5, 2026
Withdrawn May 5, 2026
Last updated May 5, 2026

Severity

Low

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Local
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

EPSS score

Weaknesses

Always-Incorrect Control Flow Implementation

The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. Learn more on MITRE.

CVE ID

No known CVE

GHSA ID

GHSA-qmq6-f8pr-cx5x

Source code

No known source code

Credits

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