Out-of-bounds Write Affecting glibc-utils package, versions <0:2.28-251.el8_10.38


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.5% (40th percentile)

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  • Snyk IDSNYK-ALMALINUX8-GLIBCUTILS-17744597
  • published1 Jul 2026
  • disclosed29 Jun 2026

Introduced: 29 Jun 2026

NewCVE-2026-5450  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 glibc-utils to version 0:2.28-251.el8_10.38 or higher.
This issue was patched in ALSA-2026:33126.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-utils package and not the glibc-utils package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow.

CVSS Base Scores

version 3.1