{"id":"CLSA-2026-1786033457","summary":"Fix CVE(s): CVE-2026-56131","details":"   * SECURITY UPDATE: use-after-free via re-entrant parser API calls made\n     from inside handler callbacks\n     - debian/patches/CVE-2026-56131.patch: track handler call depth and\n       refuse XML_ResumeParser, XML_Parse, XML_ParseBuffer, XML_GetBuffer,\n       XML_ParserFree and XML_ParserReset while a handler is on the stack\n       (backport of libexpat PRs #1246, #1267 and #1278).\n     - CVE-2026-56131","modified":"2026-10-26T09:31:47.448912008Z","published":"2026-08-06T16:24:27Z","upstream":["CVE-2026-56131"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1786033457.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56131"}],"affected":[{"package":{"name":"expat","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/expat?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.5-3ubuntu0.9+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786033457.json"}},{"package":{"name":"libexpat1","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libexpat1?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.5-3ubuntu0.9+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786033457.json"}},{"package":{"name":"libexpat1-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libexpat1-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.5-3ubuntu0.9+tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1786033457.json"}}],"schema_version":"1.9.0"}