Inappropriate Encoding for Output Context Affecting glibc-langpack-ro package, versions <0:2.34-270.el9_8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (21st percentile)

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  • Snyk IDSNYK-RHEL9-GLIBCLANGPACKRO-16891700
  • published27 May 2026
  • disclosed20 Mar 2026

Introduced: 20 Mar 2026

CVE-2026-4438  (opens in a new tab)
CWE-838  (opens in a new tab)

How to fix?

Upgrade RHEL:9 glibc-langpack-ro to version 0:2.34-270.el9_8 or higher.
This issue was patched in RHSA-2026:20597.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-langpack-ro package and not the glibc-langpack-ro package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.

CVSS Base Scores

version 3.1