{"id":"CLSA-2026-1786009839","summary":"expat: Fix of 3 CVEs","details":"- CVE-2026-56131: fix use-after-free from calling XML_ResumeParser() inside a\n  handler by adding handler call depth tracking and rejecting re-entrant calls\n- CVE-2026-56407: fix signed integer overflow of entity textLen in doProlog()\n  for entity values larger than INT_MAX\n- CVE-2026-56408: fix integer overflow in copyString() when sizing the\n  allocation for an over-long encoding name","modified":"2026-10-26T09:31:51.127376733Z","published":"2026-08-06T09:50:55Z","upstream":["CVE-2026-56131","CVE-2026-56407","CVE-2026-56408"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1786009839.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56131"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56407"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56408"}],"affected":[{"package":{"name":"expat","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/expat?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1.el8.tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786009839.json"}},{"package":{"name":"expat-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/expat-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1.el8.tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786009839.json"}},{"package":{"name":"expat-static","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/expat-static?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1.el8.tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786009839.json"}}],"schema_version":"1.9.0"}