CVE-2025-14104

CVE-2025-14104 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Description

A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the `setpwnam()` function, affecting SUID (Set User ID) login-utils utilities writing to the password database.

Frequently asked questions

What is CVE-2025-14104?
A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the `setpwnam()` function, affecting SUID (Set User ID) login-utils utilities writing to the password database.
How severe is CVE-2025-14104?
CVE-2025-14104 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2025-14104 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-14104?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-14104 have an EU (EUVD) identifier?
Yes. CVE-2025-14104 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201450.
When was CVE-2025-14104 published?
CVE-2025-14104 was published on 2025-12-05 and last updated on 2026-06-30.

References

Other CWE-125 (Out-of-bounds Read) vulnerabilities

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