PT-2026-38036

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a NULL pointer dereference in xmlPatMatch in pattern.c...

PT-2026-38052

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input...

PT-2026-37810

In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities even if custom SAX handlers try to override entity content by setting "checked". This makes classic XXE attacks possible...

PT-2026-38016

An issue was discovered in libxml2 before 2.11.7 and 2.12.x before 2.12.5. When using the XML Reader interface with DTD validation and XInclude expansion enabled, processing crafted XML documents can lead to an xmlValidatePopElement use-after-free...

PT-2026-37829

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a NULL pointer dereference in xmlPatMatch in pattern.c...

PT-2026-38043

In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API Python bindings because of an incorrect return value. This occurs in xmlPythonFileRead and xmlPythonFileReadRaw because of a difference between bytes and characters...

PT-2026-37845

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input...

PT-2026-38044

In libxml2 before 2.13.8 and 2.14.x before 2.14.2, xmlSchemaIDCFillNodeTables in xmlschemas.c has a heap-based buffer under-read. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used...

PT-2026-38030

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be...

PT-2026-37837

In libxml2 before 2.13.8 and 2.14.x before 2.14.2, xmlSchemaIDCFillNodeTables in xmlschemas.c has a heap-based buffer under-read. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used...

PT-2026-37823

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be...

CLSA-2026-1778006676 libxml2: Fix of CVE-2025-6170

CVE-2025-6170: fix potential buffer overflows in xmllint interactive shell...

MiracleLinux 8 : libxml2-2.9.7-21.el8_10.4 (AXSA:2026-525:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-525:01 advisory. libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c CVE-2025-9714 Tenable has extracted the preceding description bloc...

libxml2: Fix of 2 CVEs

CVE-2018-14404: fix NULL pointer dereference in xmlXPathCompOpEval when AND/OR operator operates on an empty XPath stack - CVE-2019-19956: fix memory leak in xmlParseBalancedChunkMemoryRecover when parsing NULL doc...

CLSA-2026-1777464764 libxml2: Fix of 2 CVEs

CVE-2018-14404: fix NULL pointer dereference in xmlXPathCompOpEval when AND/OR operator operates on an empty XPath stack - CVE-2019-19956: fix memory leak in xmlParseBalancedChunkMemoryRecover when parsing NULL doc...

ROOT-OS-DEBIAN-12-CVE-2026-0992 CVE-2026-0992 in rootio-libxml2 - Patched by Root

Root has patched CVE-2026-0992 in the rootio-libxml2 package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-12-CVE-2026-0990 CVE-2026-0990 in rootio-libxml2 - Patched by Root

Root has patched CVE-2026-0990 in the rootio-libxml2 package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-12-CVE-2026-1757 CVE-2026-1757 in rootio-libxml2 - Patched by Root

Root has patched CVE-2026-1757 in the rootio-libxml2 package for Root:Debian:12. Multiple fixed versions available...

RHSA-2026:11349 Red Hat Security Advisory: libxml2 security update

Bulletin has no description...

libxml2 security update

An update is available for libxml2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libxml2 library is a development toolbox providing the implementation of...