Out-of-bounds Write Affecting glibc-all-langpacks package, versions <0:2.39-126.0.1.el10_2


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.5% (40th percentile)

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  • Snyk IDSNYK-ORACLE10-GLIBCALLLANGPACKS-18024081
  • published20 Jul 2026
  • disclosed20 Apr 2026

Introduced: 20 Apr 2026

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

How to fix?

Upgrade Oracle:10 glibc-all-langpacks to version 0:2.39-126.0.1.el10_2 or higher.
This issue was patched in ELSA-2026-33092.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-all-langpacks package and not the glibc-all-langpacks package as distributed by Oracle. See How to fix? for Oracle:10 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