{"id":"CLSA-2026-1789475716","summary":"libxml2: Fix of 5 CVEs","details":"- CVE-2026-86143: reject output buffer lengths that do not fit in an int\n  before calling writecallback in xmlOutputBufferWrite,\n  xmlOutputBufferWriteEscape and xmlOutputBufferFlush, so that a negative\n  length can no longer reach a write callback\n- CVE-2026-86144: propagate the document parse flags in xmlXIncludeProcess,\n  xmlXIncludeProcessTree and xmlXIncludeLoadTxt so that options such as\n  XML_PARSE_NONET are honoured during XInclude resolution","modified":"2026-10-26T09:30:45.960382660Z","published":"2026-09-15T12:35:31Z","upstream":["CVE-2026-86143","CVE-2026-86144"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1789475716.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86138"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86140"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86142"},{"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:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/libxml2?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.13-3.el9_2.1.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789475716.json"}},{"package":{"name":"libxml2-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/libxml2-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.13-3.el9_2.1.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789475716.json"}},{"package":{"name":"libxml2-static","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/libxml2-static?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.13-3.el9_2.1.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789475716.json"}},{"package":{"name":"python3-libxml2","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3-libxml2?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.13-3.el9_2.1.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789475716.json"}}],"schema_version":"1.9.0"}