RHSA-2026:1852 — Security Advisory
Red Hat Security Advisory: util-linux security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · February 4, 2026
Updated · October 15, 2026
Topic
An update for util-linux is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program.
Security Fix(es):
- util-linux: util-linux: Heap buffer overread in setpwnam() when processing 256-byte usernames (CVE-2025-14104)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.