Red Hat alert RHSA-2026:29018-01 (libpng12)

An update for libpng12 is now available for Red Hat Enterprise Linux 8.8
Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8
Telecommunications Update Service.

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.

The libpng12 package provides libpng 1.2, which is the previous version of
the libpng library for manipulating PNG (Portable Network Graphics) image
format files. This version should be used in case that it is not possible to
use the current version of libpng.

Security Fix(es):

* libpng: libpng: Arbitrary code execution due to use-after-free
vulnerability (CVE-2026-33416)

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.

This content is licensed under the Creative Commons Attribution 4.0
International License (https://creativecommons.org/licenses/by/4.0/). If you
distribute this content, or a modified version of it, you must provide
attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2026/rhsa-2026_29018.json