PatchTheCVECVE-2026-41988: uuid before 14.0.0 can make unexpected writes when external output buffers are used, and the UUID version is 3
CVE-2026-41988 is a low-severity flaw (CVSS 3.2) affecting uuid. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.2 (Low) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-670 |
| Published | 2026-04-23 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-41988?
uuid: upgrade to 11.1.1. Exact commands for each OS are on this page.
Is CVE-2026-41988 being exploited?
CVE-2026-41988 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-41988 affect?
CVE-2026-41988 affects uuid. Severity is low (CVSS 3.2). 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.
How urgent is CVE-2026-41988?
Priority 18/100. Public exploit reference
Related CVEs
- CVE-2026-41907 HIGH 7.5 UPGRADE uuid is for the creation of RFC9562 (formerly RFC4122) UUIDs