{"id":"SUSE-SU-2026:5138-1","summary":"Security update for zchunk","details":"This update for zchunk fixes the following issue:\n\n- CVE-2026-117556: heap out-of-bounds read in `read_preface()` allows attackers to cause an application crash via a\n  crafted `.zck` file (bsc#1288144).\n","modified":"2026-11-10T13:15:09.748344295Z","published":"2026-11-09T13:00:49Z","related":["CVE-2026-117556"],"upstream":["CVE-2026-117556"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20265138-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1288144"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-117556"}],"affected":[{"package":{"name":"zchunk","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP7","purl":"pkg:rpm/suse/zchunk&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.1-150700.3.3.1"}]}],"ecosystem_specific":{"binaries":[{"libzck-devel":"1.5.1-150700.3.3.1","libzck1":"1.5.1-150700.3.3.1","zchunk":"1.5.1-150700.3.3.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:5138-1.json"}}],"schema_version":"1.9.2"}