{"schema_version": "1.7.0", "id": "RLSA-2026:18028", "modified": "2026-05-19T12:10:18.357233Z", "published": "2026-05-19T12:04:28.602923Z", "upstream": ["CVE-2026-33416"], "summary": "Moderate: 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: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "libpng", "purl": "pkg:rpm/rocky-linux/libpng?distro=rocky-linux-9&epoch=2"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "2:1.6.37-12.el9_7.4"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:18028"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451805"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}