Heap Buffer Under-read Vulnerability in GNU Coreutils Sort Utility
CVE-2025-5278
4.4MEDIUM
Key Information:
- Vendor
- CVE Published:
- 27 May 2025
What is CVE-2025-5278?
A vulnerability exists in the GNU Coreutils where the sort utility's begfield() function can be exploited through a heap buffer under-read. This flaw can allow malicious users to execute crafted commands that access memory outside of the allocated buffer, potentially leading to application crashes or exposing sensitive information. Ensuring that users are aware of this issue is essential to maintaining system integrity and data security.

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References
CVSS V3.1
Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
Credit
Red Hat would like to thank Mohamed Maatallah for reporting this issue.
