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CVE-2025-5278

MEDIUMCVSS 4.4/10EPSS 0.23%

Last modified

CVE-2025-5278 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.4/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

EPSS Probability
0.23%

14.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-5278?
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.
How severe is CVE-2025-5278?
CVE-2025-5278 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2025-5278?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST