{"id":"ALSA-2026:88247","summary":"Important: expat security update","details":"Expat is a C library for parsing XML documents.  \n\nSecurity Fix(es):  \n\n  * expat: expat: Denial of Service via integer overflow in expat_realloc (CVE-2026-102633)\n  * expat: expat: Information disclosure via heap buffer over-read in XML_ParseBuffer (CVE-2026-77214)\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":"2026-10-23T14:45:02.418703735Z","published":"2026-10-22T00:00:00Z","related":["CVE-2026-102633","CVE-2026-77214"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:88247"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-102633"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-77214"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2543288"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2547476"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-88247.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_8.7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:88247.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_8.7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:88247.json"}}],"schema_version":"1.9.0"}