CVE-2026-72522

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the toUtf16 functions...

CVE-2026-72522

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the toUtf16 functions...

CVE-2026-72522

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the toUtf16 functions...

CVE-2026-72522

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the toUtf16 functions...

Linux Distros Unpatched Vulnerability : CVE-2026-72522

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode...

CVE-2026-72522: Out-of-bounds Read

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the toUtf16 functions...

PT-2026-69331

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.3 Description An out-of-bounds read and a resulting infinite loop occur during Unicode processing. This happens because low surrogates are treated identically to high surrogates within the toUtf16 functions...

JLSEC-2026-1226

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

JLSEC-2026-1227

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

JLSEC-2026-1232

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

JLSEC-2026-1234

xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId...

JLSEC-2026-1223

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

JLSEC-2026-1229

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

JLSEC-2026-1231

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen...

JLSEC-2026-1235

xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations...

JLSEC-2026-1225

libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur similar to the CVE-2026-50219 situation...

PT-2026-80477

xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId...

PT-2026-80470

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

PT-2026-80468

libexpat before 2.8.2 lacks handler call depth tracking for calls to XML GetBuffer, XML Parse, XML ParseBuffer, XML ParserFree, or XML ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,...

PT-2026-80469

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...