Vulnerability Description
A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. The program may access memory outside the allocated buffer if a user runs a crafted command using the traditional key format. A malicious input could lead to a crash or leak sensitive data.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2025-5278
- https://bugzilla.redhat.com/show_bug.cgi?id=2368764
- https://cgit.git.savannah.gnu.org/cgit/coreutils.git/commit/?id=8c9602e3a145e959
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=78507
- http://www.openwall.com/lists/oss-security/2025/05/27/2
- http://www.openwall.com/lists/oss-security/2025/05/29/1
- http://www.openwall.com/lists/oss-security/2025/05/29/2
- https://cgit.git.savannah.gnu.org/cgit/coreutils.git/commit/?id=8c9602e3a145e959
- https://cgit.git.savannah.gnu.org/cgit/coreutils.git/tree/NEWS?id=8c9602e3a145e9
- https://security-tracker.debian.org/tracker/CVE-2025-5278
FAQ
What is CVE-2025-5278?
CVE-2025-5278 is a vulnerability with a CVSS score of 4.4 (MEDIUM). A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. The program may access memory outside the allocated buffer if a user runs a crafted...
How severe is CVE-2025-5278?
CVE-2025-5278 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-5278?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.