CVE-2025-14104
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-12-05
Last updated on: 2026-04-19
Assigner: Red Hat, Inc.
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| util-linux | util-linux | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a flaw in util-linux where a heap buffer overread occurs when processing 256-byte usernames in the setpwnam() function. It affects SUID login-utils utilities that write to the password database.
How can this vulnerability impact me? :
The vulnerability can lead to a heap buffer overread, which may cause a denial of service (crash) or potentially expose sensitive memory contents due to improper handling of long usernames in privileged utilities.
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