{"id":"CLSA-2026-1785836657","summary":"Fix CVE(s): CVE-2026-56131, CVE-2026-56407, CVE-2026-56408","details":"   * SECURITY UPDATE:\n     - debian/patches/CVE-2026-56131.patch: block unsafe parser APIs from\n       handler callbacks using handler call-depth tracking in expat/lib/xmlparse.c\n     - debian/patches/CVE-2026-56407.patch: prevent signed integer overflow\n       when assigning entity values in expat/lib/xmlparse.c\n     - debian/patches/CVE-2026-56408.patch: prevent integer overflow in\n       copyString() allocation size calculations in expat/lib/xmlparse.c\n     - CVE-2026-56131\n     - CVE-2026-56407\n     - CVE-2026-56408","modified":"2026-10-26T09:31:40.140009599Z","published":"2026-08-04T09:44:30Z","upstream":["CVE-2026-56131","CVE-2026-56407","CVE-2026-56408"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1785836657.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:Ubuntu:20.04","purl":"pkg:deb/tuxcare/expat?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-1ubuntu0.8+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1785836657.json"}},{"package":{"name":"libexpat1","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libexpat1?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-1ubuntu0.8+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1785836657.json"}},{"package":{"name":"libexpat1-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libexpat1-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-1ubuntu0.8+tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1785836657.json"}}],"schema_version":"1.9.0"}