EUVD-2026-38181

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

CVE-2026-56403

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

CVE-2026-56403

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

EUVD-2026-38180

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

CVE-2026-56403

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

CVE-2026-56403

CVE-2026-56403 affects libexpat prior to 2.8.2, with an integer overflow in storeAtts. Local attack vector, high complexity, no user interaction, requires no privileges. Impact: confidentiality and integrity likely high; availability low. Base score 6.9 (CVSS 3.1). No exploitation details or reme...

CVE-2026-56403

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

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-2026-51247

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...

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-56407

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 doProlog that is related to storeEntityValue and entity textLen. CVE-2026-56407 Note that Nessus relies on the...

Linux Distros Unpatched Vulnerability : CVE-2026-56409

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 for the output filename when -d outputDir is used. CVE-2026-56409 Note that Nessus relies on the presence...

Linux Distros Unpatched Vulnerability : CVE-2026-56410

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 resolveSystemId. CVE-2026-56410 Note that Nessus relies on the presence of the package as reported by...

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...

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...

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...

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-2026-51243

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...

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...