{"id":"RLSA-2026:88248","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\n* expat: expat: Information disclosure via heap buffer over-read in XML_ParseBuffer (CVE-2026-77214)\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.","modified":"2026-10-23T12:45:02.520962926Z","published":"2026-10-23T12:11:02.998013Z","upstream":["CVE-2026-102633","CVE-2026-77214"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:88248"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:88248"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543288"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2547476"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:88248"}],"affected":[{"package":{"name":"expat","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/expat?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.7.3-1.el10_2.7"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:88248.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:H/I:N/A:L"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}