CVE-2025-5278 MEDIUM

CVE-2025-5278: Coreutils: heap buffer under-read in gnu coreutils sort via key specification

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-121
Published May 27, 2025
Last update June 30, 2026

CVSS base score

4.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 27, 2025 CVE published
June 30, 2026 Record updated