RHSA-2026:4306 — Security Advisory

An update for mingw-libpng is now available for Red Hat Enterprise Linux 8.

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.

MinGW Windows Libpng library.

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.