Astra Linux – Vulnerability in libxml2

There is a flaw in libxml2’s xmllint in versions before 2.9.11. An attacker who can submit a crafted file for processing by xmllint could trigger a use-after-free. The most significant impact of this flaw is on confidentiality, integrity, and availability...

Security Bulletin: Vulnerability in libxml2 affects IBM Cloud Pak System[CVE-2025-6021]

Summary A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. Vulnerability was addressed in IBM Cloud Pak System version 2.3.6.1, and IBM Cloud Pak System version 2.3.5.1. Vulnerability Details...

CVE-2026-6732

A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML Schema Definition XSD validated document that includes an internal entity reference. An attacker could exploit this by providing a malicious document, leading to a type confusion error that...

CVE-2026-6732

A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML Schema Definition XSD validated document that includes an internal entity reference. An attacker could exploit this by providing a malicious document, leading to a type confusion error that...

AIX (IJ57291)

The version of AIX installed on the remote host is prior to APAR IJ57291. It is, therefore, affected by a vulnerability as referenced in the IJ57291 advisory. - A vulnerability was found in libxml2 up to 2.14.5. It has been declared as problematic. This vulnerability affects the function...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.1.1.1)

The version of AOS installed on the remote host is prior to 7.1.1.1. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.1.1.1 advisory. - Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely...

Siemens SIMATIC S7-1500 Improper Restriction of Recursive Entity References in DTDs (CVE-2021-3541)

A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C...

Siemens SCALANCE, SIMATIC S7-1500 Use After Free (CVE-2022-23308)

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid504132;...

JLSEC-2025-71 There's a flaw in libxml2 in versions before 2.9.11

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability...

EUVD-2021-26852

Malware in sbrugna...

EUVD-2017-16402

Malware in sbrugna...

EUVD-2022-4443

Malicious code in bioql PyPI...

EUVD-2025-18175

Malicious code in bioql PyPI...

libxml2: Out-of-bounds Read in xmlSchemaIDCFillNodeTables

A flaw was found in the libxml2 library. A heap-based underflow can be triggered when a crafted XML document is validated against an XML schema with certain identity constraints or when a crafted XML schema is used, causing a crash to the application linked to the library and resulting in a denia...

Important: libxml2

Issue Overview: A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input. CVE-2025-6021 Affected Packages:...

Astra Linux – Vulnerability in libxml2

In libxml2 versions before 2.12.10 and 2.13.x, before 2.13.6, there is a NULL pointer dereferencing in the xmlPatMatch function in pattern.c...

SUSE CVE-2025-49795

A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service...

CVE-2025-6021

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input...

CVE-2025-6021

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input. Mitigation Mitigation for this issue is either not...

libxml2: Stack-based buffer overflow in xmlSnprintfElements of libxml2

A flaw was found in libxml2. This vulnerability allows a stack-based buffer overflow via DTD validation of an untrusted document or untrusted DTD...