Search CVE reports


Toggle filters

1 – 10 of 146 results


CVE-2026-74860

Medium priority
Needs evaluation

A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition (DTD) with enumerated attribute...

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-86144

Medium priority
Needs evaluation

In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags. This has security relevance for, for example, the XML_PARSE_NONET flag, if (without it) a custom resource loader...

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-86143

Medium priority
Needs evaluation

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has...

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-86142

Medium priority
Needs evaluation

In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-86141

Medium priority
Needs evaluation

xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-86140

Medium priority
Needs evaluation

In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow.

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-86139

Medium priority
Needs evaluation

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow.

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-86138

Medium priority
Needs evaluation

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow.

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-86137

Medium priority
Needs evaluation

In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp.

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages

CVE-2026-11979

Negligible priority
Ignored

libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell() function processes user input using fixed-size stack buffers without proper bounds checking. By...

1 affected package

libxml2

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libxml2 Ignored Ignored Ignored Ignored Ignored
Show less packages