EUVD-2025-201450
2025-12-05
[email protected]
6.1
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Lifecycle Timeline
4
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 15, 2026 - 17:08 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 17:08 euvd
EUVD-2025-201450
CVE Published
Dec 05, 2025 - 17:16 nvd
MEDIUM 6.1
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.
Analysis
A flaw was found in util-linux.
Technical Context
An out-of-bounds memory access occurs when code reads from or writes to memory locations outside the intended buffer boundaries. This vulnerability is classified as Out-of-bounds Read (CWE-125).
Remediation
Implement proper bounds checking on all array and buffer accesses. Use memory-safe languages or static analysis tools to detect OOB issues.
Priority Score
31
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: 0
Vendor Status
Ubuntu
Priority: Mediumutil-linux
| Release | Status | Version |
|---|---|---|
| trusty | needs-triage | - |
| xenial | needs-triage | - |
| bionic | needs-triage | - |
| focal | needs-triage | - |
| upstream | released | 2.41.3-1 |
| jammy | not-affected | code not compiled |
| noble | not-affected | code not compiled |
| plucky | not-affected | code not compiled |
| questing | not-affected | code not compiled |
Debian
Bug #1122058util-linux
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye (security), bullseye | vulnerable | 2.36.1-8+deb11u2 | - |
| bookworm | vulnerable | 2.38.1-5+deb12u3 | - |
| bookworm (security) | vulnerable | 2.38.1-5+deb12u1 | - |
| trixie | vulnerable | 2.41-5 | - |
| forky, sid | fixed | 2.41.3-4 | - |
| (unstable) | fixed | 2.41.3-1 | unimportant |
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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