CVE-2026-86137

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...

CVE-2026-86137

libxml2 before 2.15.4 contains an out-of-bounds read in the xmlFAParsePosCharGroup function, specifically within the NXT macro of the xmlregexp module. This flaw can lead to a limited availability impact (potential crash), though the overall severity is rated LOW (CVSS 3.1 base score 2.9) due to ...

CVE-2026-86137

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...

CVE-2026-86137

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...

[slackware-security] libxml2

New libxml2 packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/libxml2-2.11.9-i586-10slack15.0.txz: Rebuilt. This update fixes bugs and security issues: xmlregexp: Prevent out-of-bounds read in NX...

PT-2026-86304

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 security relevance for many types of uses of that length value within a...

PT-2026-86298

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...

Linux Distros Unpatched Vulnerability : CVE-2026-86144

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags. This has security relevance for, for example, t...

PT-2026-86300

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

Linux Distros Unpatched Vulnerability : CVE-2026-86138

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow. CVE-2026-86138 Note that Nessus relies o...

PT-2026-86299

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

PT-2026-86302

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...

PT-2026-86303

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

Linux Distros Unpatched Vulnerability : CVE-2026-86137

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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. CVE-2026-86137 Note that...

Linux Distros Unpatched Vulnerability : CVE-2026-86140

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow. CVE-2026-86140 Note that Nessus relies on the presence of the...

Slackware Linux 15.0 / current libxml2 Vulnerability (SSA:2026-247-01)

The version of libxml2 installed on the remote host is prior to 2.11.9 / 2.15.4. It is, therefore, affected by a vulnerability as referenced in the SSA:2026-247-01 advisory. New libxml2 packages are available for Slackware 15.0 and -current to fix security issues. Tenable has extracted the...

Linux Distros Unpatched Vulnerability : CVE-2026-86143

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

PT-2026-86305

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 accesses the internet and triggers XML external entity injection, SSRF, o...

PT-2026-86301

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

Linux Distros Unpatched Vulnerability : CVE-2026-86141

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 aft...