RHSA-2026:29901: Moderate: libpng security update

Published Jun 25, 2026
·
Updated

Moderate: libpng security update

Other sources

The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files.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.

— Red Hat

Affected Software

14 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension
Red Hat Red Hat Enterprise Linux Server - AUS
redhat/libpng<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-debuginfo<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-debuginfo<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-debugsource<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-debugsource<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-devel<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-devel<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-devel-debuginfo<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-devel-debuginfo<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-tools-debuginfo<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3
redhat/libpng-tools-debuginfo<1.6.34-8.el8_6.3
1.6.34-8.el8_6.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/libpng to a version that resolves this vulnerability.

    Fixed in 1.6.34-8.el8_6.3
  2. Upgrade

    Upgrade redhat/libpng-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.6.34-8.el8_6.3
  3. Upgrade

    Upgrade redhat/libpng-debugsource to a version that resolves this vulnerability.

    Fixed in 1.6.34-8.el8_6.3
  4. Upgrade

    Upgrade redhat/libpng-devel to a version that resolves this vulnerability.

    Fixed in 1.6.34-8.el8_6.3
  5. Upgrade

    Upgrade redhat/libpng-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.6.34-8.el8_6.3
  6. Upgrade

    Upgrade redhat/libpng-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.6.34-8.el8_6.3
  7. Compensating control

    Refer to the advisory at Red Hat Access article 11258 for the specific update application steps and related mitigations for the libpng use-after-free issue (CVE-2026-33416).

Event History

Jun 25, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·09:25 AM
Data Sourced
via Red Hat·09:25 AM
Severity

Frequently Asked Questions

1

What is the severity of RHSA-2026:29901?

The severity of RHSA-2026:29901 is classified as medium with a score of 4.

2

What vulnerabilities does RHSA-2026:29901 address?

RHSA-2026:29901 addresses vulnerabilities related to libpng that could impact security.

3

How do I fix RHSA-2026:29901?

To fix RHSA-2026:29901, you should apply the recommended security update for libpng provided by Red Hat.

4

What systems are affected by RHSA-2026:29901?

RHSA-2026:29901 affects Red Hat Enterprise Linux for x86_64 and Red Hat Enterprise Linux Server - AUS.

5

When was RHSA-2026:29901 published?

RHSA-2026:29901 was published on June 25, 2026.

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