RHSA-2026:0238 - Security Advisory

标题

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.

描述

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.

解决方案

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

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

受影响的产品

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64

修复

• 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

CVE

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

参考

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