libxml: Heap use after free (UAF) leads to Denial of service (DoS)

A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's...

CLSA-2025-1753374216 Fix CVE(s): CVE-2025-49794, CVE-2025-49796

SECURITY UPDATE: memory vulnerabilities in schematron - debian/patches/CVE-2025-49794CVE-2025-49796.patch: fix memory safety issues in xmlSchematronReportOutput when parsing XPath elements and memory corruption issue triggered by processing sch:name elements in input XML file - CVE-2025-49794 -...

XPath Injection in search_item_ctrl_f Function - Hugging Face Smolagents v1.20.0

The searchitemctrlf function in the Hugging Face Smolagents library is vulnerable to XPath injection. The function simply concatenates user input into an XPath query without sanitizing or escaping the input. Vulnerable Code Location: File: src/smolagents-1.20.0/smolagents/visionwebbrowser.py...

OESA-2025-1769 libxml2 security update

This library allows to manipulate XML files. It includes support to read, modify and write XML and HTML files. There is DTDs support this includes parsing and validation even with complex DtDs, either at parse time or later once the document has been modified. The output can be a simple SAX strea...

libxml: Null pointer dereference leads to Denial of service (DoS)

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...

OESA-2025-1701 libxml2 security update

This library allows to manipulate XML files. It includes support to read, modify and write XML and HTML files. There is DTDs support this includes parsing and validation even with complex DtDs, either at parse time or later once the document has been modified. The output can be a simple SAX strea...

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...

Astra Linux – Vulnerability in libxslt

In numbers.c in libxslt before version 1.1.43, there is a use-after-free issue. This occurs because, in nested XPath evaluations, an XPath context node can be modified but cannot be restored. This issue is related to the functions xsltNumberFormatGetValue, xsltEvalXPathPredicate,...

GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 安全漏洞

GitLab Enterprise Edition EE and GitLab Community Edition CE are both products of GitLab, Inc. GitLab Enterprise Edition is a content management system. GitLab Enterprise Edition is a content management system. A security vulnerability exists in GitLab Enterprise Edition EE and GitLab Community...

firefox: thunderbird: Unsafe attribute access during XPath parsing

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access an...

firefox: thunderbird: Unsafe attribute access during XPath parsing

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access an...

firefox: thunderbird: Unsafe attribute access during XPath parsing

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access an...

firefox: thunderbird: Unsafe attribute access during XPath parsing

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access an...

firefox: thunderbird: Unsafe attribute access during XPath parsing

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access an...

The vulnerability of Mozilla Firefox and Firefox ESR browsers, as well as the Thunderbird email client, stems from an operation that goes beyond the buffer boundaries in memory. This allows attackers to gain unauthorized access to protected information.

The vulnerabilities of Mozilla Firefox and Firefox ESR browsers, as well as the Thunderbird email client, are related to the issue of executing operations beyond the buffer boundaries in memory during the processing of XPath expressions. Exploiting this vulnerability can allow an attacker to gain...

SUSE-SU-2025:1494-1 Security update for libxslt

This update for libxslt fixes the following issues: - CVE-2025-24855: Fixed use-after-free of XPath context node bsc1239625 - CVE-2024-55549: Fixed use-after-free related to excluded namespaces bsc1239637...

firefox: thunderbird: Unsafe attribute access during XPath parsing

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access an...

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Firefox Extended Support Release 128.10.0 ESR MFSA 2025-29 bsc1241621: CVE-2025-2817: Potential privilege escalation in Firefox Updater CVE-2025-4082: WebGL shader attribute memory corruption in Firefox for macOS CVE-2025-4083: Process...

DEBIAN-CVE-2025-4087

A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10,...

libxslt: Use-After-Free in libxslt numbers.c

A flaw was found in libxslt numbers.c. This vulnerability allows a use-after-free, potentially leading to memory corruption or code execution via nested XPath evaluations where an XPath context node can be modified but not restored...