{"schema_version": "1.7.0", "id": "RLSA-2026:8858", "modified": "2026-04-21T12:09:52.193074Z", "published": "2026-04-21T12:07:14.176910Z", "upstream": ["CVE-2026-23868"], "summary": "Important: giflib security update", "details": "giflib is a library for reading and writing gif images.\n\nSecurity Fix(es):\n\n* giflib: Giflib: Double-free vulnerability leading to memory corruption (CVE-2026-23868)\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:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "giflib", "purl": "pkg:rpm/rocky-linux/giflib?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:5.2.1-22.el10_1.1"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:8858"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446207"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}