{"id":"CLSA-2026-1790034077","summary":"libxml2: Fix of 2 CVEs","details":"- CVE-2026-86143: reject buffer lengths at or above INT_MAX before calling the output write callback to prevent an integer overflow\n- CVE-2026-86144: propagate parseFlags in xmlXIncludeProcess and xmlXIncludeProcessTree so parser flags such as XML_PARSE_NONET are honoured","modified":"2026-10-26T09:31:40.654378460Z","published":"2026-09-24T09:20:46Z","upstream":["CVE-2026-86143","CVE-2026-86144"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1790034077.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86143"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86144"}],"affected":[{"package":{"name":"libxml2","ecosystem":"TuxCare:CentOS:6","purl":"pkg:rpm/tuxcare/libxml2?distro=centos-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-21.el6_8.1.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1790034077.json"}},{"package":{"name":"libxml2-devel","ecosystem":"TuxCare:CentOS:6","purl":"pkg:rpm/tuxcare/libxml2-devel?distro=centos-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-21.el6_8.1.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1790034077.json"}},{"package":{"name":"libxml2-python","ecosystem":"TuxCare:CentOS:6","purl":"pkg:rpm/tuxcare/libxml2-python?distro=centos-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-21.el6_8.1.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1790034077.json"}},{"package":{"name":"libxml2-static","ecosystem":"TuxCare:CentOS:6","purl":"pkg:rpm/tuxcare/libxml2-static?distro=centos-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-21.el6_8.1.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1790034077.json"}}],"schema_version":"1.9.0"}