{"id":"RHSA-2026:64787","summary":"Red Hat Security Advisory: xz security update","modified":"2026-09-08T10:32:38.719235155Z","published":"2026-09-08T10:19:03Z","upstream":["CVE-2026-34743"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:64787"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#moderate"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2454589"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_64787.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-34743"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-34743"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34743"},{"type":"ARTICLE","url":"https://github.com/tukaani-project/xz/commit/c8c22869e780ff57c96b46939c3d79ff99395f87"},{"type":"ARTICLE","url":"https://github.com/tukaani-project/xz/releases/tag/v5.8.3"},{"type":"ARTICLE","url":"https://github.com/tukaani-project/xz/security/advisories/GHSA-x872-m794-cxhv"}],"affected":[{"package":{"name":"xz-debuginfo","ecosystem":"Red Hat:enterprise_linux:10.2","purl":"pkg:rpm/redhat/xz-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6.2-4.el10_2.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:64787.json"}},{"package":{"name":"xz-debugsource","ecosystem":"Red Hat:enterprise_linux:10.2","purl":"pkg:rpm/redhat/xz-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6.2-4.el10_2.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:64787.json"}},{"package":{"name":"xz-devel","ecosystem":"Red Hat:enterprise_linux:10.2","purl":"pkg:rpm/redhat/xz-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6.2-4.el10_2.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:64787.json"}},{"package":{"name":"xz-libs-debuginfo","ecosystem":"Red Hat:enterprise_linux:10.2","purl":"pkg:rpm/redhat/xz-libs-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6.2-4.el10_2.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:64787.json"}},{"package":{"name":"xz-lzma-compat","ecosystem":"Red Hat:enterprise_linux:10.2","purl":"pkg:rpm/redhat/xz-lzma-compat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6.2-4.el10_2.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:64787.json"}},{"package":{"name":"xz-lzma-compat-debuginfo","ecosystem":"Red Hat:enterprise_linux:10.2","purl":"pkg:rpm/redhat/xz-lzma-compat-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6.2-4.el10_2.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:64787.json"}},{"package":{"name":"xz","ecosystem":"Red Hat:enterprise_linux:10.2","purl":"pkg:rpm/redhat/xz"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6.2-4.el10_2.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:64787.json"}},{"package":{"name":"xz-libs","ecosystem":"Red Hat:enterprise_linux:10.2","purl":"pkg:rpm/redhat/xz-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:5.6.2-4.el10_2.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:64787.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}