PT-2026-4328

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.7.4 Description The issue resides in the XML ExternalEntityParserCreate function. It does not properly copy user data for unknown encoding handlers, potentially leading to memory corruption. Reports indicate a...

JLSEC-2025-61 libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external...

libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers created via XMLExternalEntityParserCreate...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: expat (UTSA-2025-986162)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986162 advisory. In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations...

libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).

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Important: expat

Issue Overview: libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers created via XMLExternalEntityParserCreate. CVE-2024-28757 Affected Packages: expat Issue Correction: Run dnf update expat --releasever 2023.4.20240401 or dnf update --adviso...

UBUNTU-CVE-2024-28757

libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers created via XMLExternalEntityParserCreate...

CLSA-2023-1696877712 expat: Fix of 2 CVEs

CVE-2022-23990: lib: prevent integer overflow in function doProlog - CVE-2022-43680: fix overeager DTD destruction in XMLExternalEntityParserCreate...

expat: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate

A use-after-free flaw was found in the Expat package, caused by destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations. This may lead to availability disruptions...

expat: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate

A use-after-free flaw was found in the Expat package, caused by destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations. This may lead to availability disruptions...

expat: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate

A use-after-free flaw was found in the Expat package, caused by destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations. This may lead to availability disruptions...

OESA-2022-2037 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 through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in...

DEBIAN-CVE-2022-43680

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations...

libexpat 资源管理错误漏洞

libexpat is a streaming XML parser written in C. A resource management error vulnerability exists in libexpat version 2.4.9 and earlier versions, which stems from over-corrupting a shared DTD in XMLExternalEntityParserCreate in an out-of-memory scenario resulting in memory reuse after release...