CPython 安全特征问题漏洞

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has a security feature vulnerability, which stems from insufficient entropy in Expat hash flood protection mechanisms. This vulnerability may allow specially crafted XML documents to trigger a hash flood...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : Swish-e vulnerabilities (USN-8240-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8240-1 advisory. It was discovered that Expat, vendored in Swish-e incorrectly handled certain files. An...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Coin3D vulnerabilities (USN-8241-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8241-1 advisory. It was discovered that Expat, vendored in Coin3D incorrectly handled certain files. An attacker could possibly use this issue to...

Ubuntu 16.04 LTS : ITK vulnerabilities (USN-8235-1)

The remote Ubuntu 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8235-1 advisory. It was discovered that Expat, vendored in ITK incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity due to the computational complexity of attribute name collision checks in XML parsing. An attacker can cause excessive resource consumption by providing specially crafted XML input. Remediation Upgrade...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017357)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017357 advisory. lookup in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity Linux...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017356)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017356 advisory. buildmodel in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-017370)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017370 advisory. In Expat aka libexpat before 2.4.5, there is an integer overflow in storeRawNames. Tenable has extracted the preceding description block directly from the Unity Linu...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017358)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017358 advisory. defineAttribute in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Uni...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017359)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017359 advisory. addBinding in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity...

Photon OS 5.0: Expat PHSA-2026-5.0-0843

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-2026-5.0-0843. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-017383)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017383 advisory. In Expat aka libexpat before 2.4.5, an attacker can trigger stack exhaustion in buildmodel via a large nesting depth in the DTD element. Tenable has extracted the...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-017374)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017374 advisory. Expat aka libexpat before 2.4.4 has a signed integer overflow in XMLGetBuffer, for configurations with a nonzero XMLCONTEXTBYTES. Tenable has extracted the preceding...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017361)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017361 advisory. nextScaffoldPart in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017360)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017360 advisory. In doProlog in xmlparse.c in Expat aka libexpat before 2.4.3, an integer overflow exists for mgroupSize. Tenable has extracted the preceding description block direct...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-017378)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017378 advisory. xmltokimpl.c in Expat aka libexpat before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017351)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017351 advisory. In Expat aka libexpat before 2.4.3, a left shift by 29 or more places in the storeAtts function in xmlparse.c can lead to realloc misbehavior e.g., allocating too fe...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-016799)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016799 advisory. libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition. Tenable has extracted the...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-016783)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016783 advisory. libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content. Tenable has extracted the preceding description block directly...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017354)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017354 advisory. storeAtts in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity Lin...