Issued:

2026-02-26

Updated:

2026-02-26

RHSA-2026:3405 - Important: libpng security update

Synopsis

Important: libpng security update

Type/Severity

Security Advisory Important

Topic

An update for libpng is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

Description

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

Security Fix(es):

• libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801)

• libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695)

• libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

Updated Packages

• libpng-1.6.37-12.el9_7.2.x86_64.rpm
• libpng-debuginfo-1.6.37-12.el9_7.2.aarch64.rpm
• libpng-1.6.37-12.el9_7.2.aarch64.rpm
• libpng-debuginfo-1.6.37-12.el9_7.2.x86_64.rpm
• libpng-debugsource-1.6.37-12.el9_7.2.aarch64.rpm
• libpng-debugsource-1.6.37-12.el9_7.2.ppc64le.rpm
• libpng-debugsource-1.6.37-12.el9_7.2.s390x.rpm
• libpng-debugsource-1.6.37-12.el9_7.2.x86_64.rpm
• libpng-tools-debuginfo-1.6.37-12.el9_7.2.ppc64le.rpm
• libpng-devel-1.6.37-12.el9_7.2.s390x.rpm
• libpng-tools-debuginfo-1.6.37-12.el9_7.2.i686.rpm
• libpng-debuginfo-1.6.37-12.el9_7.2.i686.rpm
• libpng-1.6.37-12.el9_7.2.s390x.rpm
• libpng-devel-1.6.37-12.el9_7.2.aarch64.rpm
• libpng-1.6.37-12.el9_7.2.src.rpm
• libpng-1.6.37-12.el9_7.2.ppc64le.rpm
• libpng-debugsource-1.6.37-12.el9_7.2.i686.rpm
• libpng-tools-debuginfo-1.6.37-12.el9_7.2.x86_64.rpm
• libpng-debuginfo-1.6.37-12.el9_7.2.ppc64le.rpm
• libpng-1.6.37-12.el9_7.2.i686.rpm
• libpng-debuginfo-1.6.37-12.el9_7.2.s390x.rpm
• libpng-tools-debuginfo-1.6.37-12.el9_7.2.aarch64.rpm
• libpng-devel-debuginfo-1.6.37-12.el9_7.2.aarch64.rpm
• libpng-devel-debuginfo-1.6.37-12.el9_7.2.s390x.rpm
• libpng-devel-1.6.37-12.el9_7.2.x86_64.rpm
• libpng-devel-debuginfo-1.6.37-12.el9_7.2.ppc64le.rpm
• libpng-devel-debuginfo-1.6.37-12.el9_7.2.i686.rpm
• libpng-devel-debuginfo-1.6.37-12.el9_7.2.x86_64.rpm
• libpng-devel-1.6.37-12.el9_7.2.ppc64le.rpm
• libpng-devel-1.6.37-12.el9_7.2.i686.rpm
• libpng-tools-debuginfo-1.6.37-12.el9_7.2.s390x.rpm

Fixes

• This content is not included.BZ - 2428824
• This content is not included.BZ - 2428825
• This content is not included.BZ - 2438542

CVEs

• CVE-2026-22695
• CVE-2026-22801
• CVE-2026-25646

References

• https://access.redhat.com/security/updates/classification/#important

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.