RHSA-2026:0237 - Security Advisory

Topic

An update for libpng is now available for Red Hat Enterprise Linux 10.

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 buffer overflow (CVE-2025-64720)
• libpng: LIBPNG heap buffer overflow (CVE-2025-65018)
• libpng: LIBPNG out-of-bounds read in png_image_read_composite (CVE-2025-66293)

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

• Red Hat Enterprise Linux for x86_64 10 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems 10 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x
• Red Hat Enterprise Linux for Power, little endian 10 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le
• Red Hat Enterprise Linux for ARM 64 10 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x
• Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x

Fixes

• BZ - 2416904 - CVE-2025-64720 libpng: LIBPNG buffer overflow
• BZ - 2416907 - CVE-2025-65018 libpng: LIBPNG heap buffer overflow
• BZ - 2418711 - CVE-2025-66293 libpng: LIBPNG out-of-bounds read in png_image_read_composite

CVEs

• CVE-2025-64720
• CVE-2025-65018
• CVE-2025-66293

References

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