{"id":"ALSA-2026:64812","summary":"Moderate: expat security update","details":"Expat is a C library for parsing XML documents.  \n\nSecurity Fix(es):  \n\n  * expat: libexpat: Use-after-free vulnerability due to improper handler call depth tracking (CVE-2026-50219)\n  * expat: libexpat: Arbitrary Code Execution via Heap-based Buffer Overflow (CVE-2026-56132)\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":"2026-09-09T12:00:04.226233122Z","published":"2026-09-08T00:00:00Z","related":["CVE-2026-50219","CVE-2026-56132"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:64812"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-50219"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-56132"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2484620"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2490669"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-64812.html"}],"affected":[{"package":{"name":"expat","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/expat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-6.el9_8.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:64812.json"}},{"package":{"name":"expat-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/expat-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-6.el9_8.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:64812.json"}}],"schema_version":"1.9.0"}