USN-8316-1: CableSwig vulnerabilities

It was discovered that Expat, vendored in CableSwig, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8314-1 ayttm vulnerabilities

It was discovered that Expat, vendored in Ayttm, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8314-1: Ayttm vulnerabilities

It was discovered that Expat, vendored in Ayttm, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8313-1: XML-RPC for C and C++ vulnerabilities

It was discovered that Expat, vendored in XML-RPC, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8313-1 xmlrpc-c vulnerabilities

It was discovered that Expat, vendored in XML-RPC, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

OESA-2026-2433 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

OESA-2026-2432 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

OESA-2026-2431 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

OESA-2026-2430 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

expat: Fix of CVE-2026-45186

CVE-2026-45186: fix quadratic runtime in attribute collision detection by using a hash table for default attribute names instead of an On^2 loop...

[SECURITY] Fedora 43 Update: mingw-expat-2.8.1-1.fc43

This is expat, the C library for parsing XML, written by James Clark. Expat is a stream oriented XML parser. This means that you register handlers with the parser prior to starting the parse. These handlers are called when the parser discovers the associated structures in the document being parse...

[SECURITY] Fedora 43 Update: expat-2.8.1-1.fc43

This is expat, the C library for parsing XML, written by James Clark. Expat is a stream oriented XML parser. This means that you register handlers with the parser prior to starting the parse. These handlers are called when the parser discovers the associated structures in the document being parse...

[SECURITY] Fedora 44 Update: mingw-expat-2.8.1-1.fc44

This is expat, the C library for parsing XML, written by James Clark. Expat is a stream oriented XML parser. This means that you register handlers with the parser prior to starting the parse. These handlers are called when the parser discovers the associated structures in the document being parse...

Photon OS 4.0: Expat PHSA-2026-4.0-1022

An update of the expat package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-4.0-1022. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

BIT-PYTHON-2026-4224 Stack overflow parsing XML with deeply nested DTD content models

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

BIT-PYTHON-MIN-2026-4224 Stack overflow parsing XML with deeply nested DTD content models

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

BIT-LIBPYTHON-2026-4224 Stack overflow parsing XML with deeply nested DTD content models

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

Astra Linux – Vulnerabilities in Firefox, Thunderbird, Expat, LibXMLTok

The addBinding method in xmlparse.c within Expat also known as libexpat has an integer overflow issue before version 2.4.3...

Astra Linux – Vulnerabilities in Firefox, Thunderbird, and Expat

In Expat also known as libexpat, before version 2.4.3, a left shift of 29 or more in the storeAtts function in xmlparse.c could lead to improper realloc behavior. This could result in allocating too few bytes, or only freeing memory after it was no longer needed...

Astra Linux – Vulnerability in expat

In Expat also known as libexpat, before version 2.4.5, there is an integer overflow in the copyString function...