{"id":"CLSA-2023-1696537106","summary":"libxml2: Fix of 5 CVEs","details":"- CVE-2021-3517: fix flaw in the xml entity encoding\n- CVE-2021-3518: fix dangling pointers in entity reference nodes\n- CVE-2022-23308: fix use-after-free of ID and IDREF attributes\n- CVE-2022-40303: fix integer counters overflow when parsing a multi-gigabyte XML\n- CVE-2022-40304: fix double free as a result of an invalid XML entity\n- fix testapi.c to avoid false positive test errors\n- fix a parser and fix a null pointer dereference","modified":"2026-05-27T11:18:21.731609853Z","published":"2023-10-05T20:18:30Z","upstream":["CVE-2021-3517","CVE-2021-3518","CVE-2022-23308","CVE-2022-40303","CVE-2022-40304"],"references":[{"type":"ADVISORY","url":"https://errata.cloudlinux.com/centos7-els/CLSA-2023-1696537106.html"}],"affected":[{"package":{"name":"libxml2","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/libxml2?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1-6.el7_9.6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2023-1696537106.json"}},{"package":{"name":"libxml2-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/libxml2-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1-6.el7_9.6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2023-1696537106.json"}},{"package":{"name":"libxml2-python","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/libxml2-python?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1-6.el7_9.6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2023-1696537106.json"}},{"package":{"name":"libxml2-static","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/libxml2-static?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1-6.el7_9.6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2023-1696537106.json"}}],"schema_version":"1.7.5"}