{"id":"CLSA-2026-1789601022","summary":"Fix of 5 CVEs","details":"   * SECURITY UPDATE: stack buffer overflow in xmlSnprintfElements()\n     - debian/patches/CVE-2026-86140.patch: add bounds checks around the\n       parenthesis writes in xmlSnprintfElements() in valid.c\n     - CVE-2026-86140\n   * SECURITY UPDATE: NULL pointer dereference in xmlRegNewParserCtxt() after\n     a failed allocation\n     - debian/patches/CVE-2026-86141.patch: check the xmlStrdup() result in\n       xmlRegNewParserCtxt() in xmlregexp.c so a failed allocation cannot\n       leave a NULL parser cursor\n     - CVE-2026-86141\n   * SECURITY UPDATE: heap buffer overflow in xmlXPtrEvalXPtrPart() on\n     oversized xpointer() expressions\n     - debian/patches/CVE-2026-86142.patch: make xmlStrlen() in xmlstring.c\n       saturate above INT_MAX and reject the saturated length in\n       xmlXPtrEvalXPtrPart() in xpointer.c before sizing the buffer\n     - CVE-2026-86142\n   * SECURITY UPDATE: integer overflow before the output write callback\n     - debian/patches/CVE-2026-86143.patch: check for integer overflow before\n       passing a buffer length to the write callback in xmlIO.c\n     - CVE-2026-86143\n   * SECURITY UPDATE: parse flags not propagated by xmlXIncludeProcess() and\n     xmlXIncludeProcessTree()\n     - debian/patches/CVE-2026-86144.patch: propagate the document parse\n       flags in xmlXIncludeProcess() and xmlXIncludeProcessTree() in\n       xinclude.c\n     - CVE-2026-86144","modified":"2026-10-26T09:32:02.512365505Z","published":"2026-09-16T23:23:57Z","upstream":["CVE-2026-86140","CVE-2026-86141","CVE-2026-86142","CVE-2026-86143","CVE-2026-86144"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1789601022.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86140"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86141"},{"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:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libxml2?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els16"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1789601022.json"}},{"package":{"name":"libxml2-dev","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libxml2-dev?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els16"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1789601022.json"}},{"package":{"name":"libxml2-doc","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libxml2-doc?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els16"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1789601022.json"}},{"package":{"name":"libxml2-utils","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libxml2-utils?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els16"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1789601022.json"}},{"package":{"name":"python-libxml2","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/python-libxml2?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els16"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1789601022.json"}}],"schema_version":"1.9.0"}