CVE-2026-56403

libexpat before 2.8.2 has an integer overflow in storeAtts...

Linux Distros Unpatched Vulnerability : CVE-2026-56411

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations. CVE-2026-56411 Note that Nessus relies on the presence of th...

Linux Distros Unpatched Vulnerability : CVE-2026-56404

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.2 has an integer overflow in addBinding. CVE-2026-56404 Note that Nessus relies on the presence of the package as reported by the vendor...

Linux Distros Unpatched Vulnerability : CVE-2026-56408

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.2 has an integer overflow in copyString. CVE-2026-56408 Note that Nessus relies on the presence of the package as reported by the vendor...

Linux Distros Unpatched Vulnerability : CVE-2026-56403

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.2 has an integer overflow in storeAtts. CVE-2026-56403 Note that Nessus relies on the presence of the package as reported by the vendor...

Linux Distros Unpatched Vulnerability : CVE-2026-56412

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.2 does not consider XMLTOKDATACHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in...

PT-2026-51240

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An integer overflow exists in the addBinding function. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented...

PT-2026-51242

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An integer overflow occurs in the XML ParseBuffer function because it lacks a specific check that is implemented in the XML Parse function. Recommendations Update to version 2.8.2 or later...

PT-2026-51246

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description The xmlwf component contains an integer overflow in the resolveSystemId function. An integer overflow occurs when an arithmetic operation results in a value that exceeds the maximum size of the...

PT-2026-51247

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description The xmlwf component contains an integer overflow in the endDoctypeDecl function. This issue is triggered via NOTATION declarations, which are used in XML to define the format of non-XML data...

CVE-2026-56406: Integer Overflow or Wraparound

libexpat before 2.8.2 has an integer overflow in XMLParseBuffer because it lacked a check that was present in XMLParse...

Linux Distros Unpatched Vulnerability : CVE-2026-56406

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.2 has an integer overflow in XMLParseBuffer because it lacked a check that was present in XMLParse. CVE-2026-56406 Note that Nessus relies o...

PT-2026-51244

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An integer overflow exists in the copyString function. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented...

PT-2026-51248

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An issue exists where XML TOK DATA CHARS is not considered in the doCdataSection function. This leads to a lack of handler call depth tracking for various calls from within handlers during policy...

CVE-2026-56412: Use After Free

libexpat before 2.8.2 does not consider XMLTOKDATACHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219...

PT-2026-51239

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An integer overflow exists in the storeAtts function. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented...

PT-2026-51241

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An integer overflow exists in the getAttributeId function. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be...

CVE-2026-56409: Integer Overflow or Wraparound

xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used...

PT-2026-51243

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An integer overflow occurs in the doProlog function, specifically related to storeEntityValue and the entity textLen variable. An integer overflow is a condition where an arithmetic operation attemp...

PT-2026-51245

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description The xmlwf tool contains an integer overflow related to the output filename when the -d outputDir option is utilized. An integer overflow occurs when a mathematical operation results in a value that...