{"id":"RLSA-2026:4728","summary":"Important: libpng security update","details":"The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files.\n\nSecurity Fix(es):\n\n* libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801)\n\n* libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695)\n\n* libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646)\n\nFor 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.","modified":"2026-03-18T12:30:07.223805Z","published":"2026-03-18T12:00:48.679196Z","upstream":["CVE-2026-22695","CVE-2026-22801","CVE-2026-25646"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:4728"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2428824"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2428825"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2438542"}],"affected":[{"package":{"name":"libpng","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/libpng?distro=rocky-linux-8&epoch=2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.6.34-10.el8_10"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:4728.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}