{"id":"ALSA-2026:89749","summary":"Moderate: xz security update","details":"XZ Utils is an integrated collection of user-space file compression utilities based on the Lempel-Ziv-Markov chain algorithm (LZMA), which performs lossless data compression. The algorithm provides a high compression ratio while keeping the decompression time short.  \n\nSecurity Fix(es):  \n\n  * xz: XZ Utils: Denial of Service via buffer overflow in index decoding (CVE-2026-34743)\n\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.\n","modified":"2026-10-26T20:00:03.274873915Z","published":"2026-10-26T00:00:00Z","related":["CVE-2026-34743"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:89749"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-34743"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2454589"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-89749.html"}],"affected":[{"package":{"name":"xz","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/xz"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.5-8.el9_8.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:89749.json"}},{"package":{"name":"xz-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/xz-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.5-8.el9_8.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:89749.json"}},{"package":{"name":"xz-libs","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/xz-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.5-8.el9_8.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:89749.json"}},{"package":{"name":"xz-lzma-compat","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/xz-lzma-compat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.5-8.el9_8.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:89749.json"}}],"schema_version":"1.9.0"}