CVE-2026-50219

libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLGetBuffer, XMLParse, XMLParseBuffer, XMLParserFree, or XMLParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,...

GHSA-M88R-RG27-5XFG Docling: Unsafe XML Entity Expansion in USPTO Patent Backend

Impact The USPTO patent XML parser used the standard xml.sax.parseString without protection against XML External Entity XXE attacks. An attacker could craft malicious USPTO patent XML files with external entity references that could: - Read arbitrary files from the server filesystem - Perform...

libexpat: denial of service via crafted XML input

A flaw was found in libexpat. When processing a specially crafted XML input containing a specific pattern of attributes, the parsing time increases quadratically due to checks for attribute name collisions. This consumes excessive CPU resources and eventually results in a denial of service...

ALSA-2026:22715 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

Windows Scheduled Task Persistence Using S4U Authentication

This Python script defines a class called S4UPersistence that automates the creation of a Windows Scheduled Task to repeatedly execute an executable payload. It generates a Task Scheduler XML configuration and uses the S4U logon type, allowing the task to run without requiring an interactive...

PT-2026-46723

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 149.0.7827.53 Description A type confusion issue in the XML component allows a remote attacker to obtain potentially sensitive information from process memory by using a crafted XML file. Type confusion occurs...

PT-2026-46696

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 149.0.7827.53 Description An inappropriate implementation in XML allows a remote attacker to perform Universal Cross-Site Scripting UXSS, which is a vulnerability that enables the execution of arbitrary scripts ...

Chromium: CVE-2026-9966 Integer overflow in XML

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...

EUVD-2026-33089

Use after free in XML in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: High...

CVE-2026-9947

An use after free flaw was found in the XML component of the Chromium browser. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=503627446...

Symfony has XXE (Local File Disclosure) in DomCrawler::addXmlContent() via validateOnParse = true

Description symfony/dom-crawler provides the Crawler class for navigating HTML/XML documents with CSS/XPath selectors; symfony/browser-kit's HttpBrowser uses it to parse fetched pages. Crawler::addXmlContent sets DOMDocument::$validateOnParse = true before calling loadXML. Setting validateOnParse...

PT-2026-44655

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 148.0.7778.216 Description A use after free issue in the XML component allows a remote attacker to execute arbitrary code within a sandbox by utilizing a specially crafted HTML page. Use after free is a memory...

CVE-2026-7310

A heap-based buffer overflow vulnerability exists in XML parser functionality in the HiDraw. An authenticated malicious user with local access can exploit this vulnerability using a specially crafted XML file which may lead to memory corruption and potential arbitrary code execution. Successful...

PT-2026-43241

Name of the Vulnerable Software and Affected Versions HiDraw affected versions not specified Description A heap-based buffer overflow occurs in the XML parser functionality. An authenticated malicious user with local access can exploit this by using a specially crafted XML file, leading to memory...

ROS-20260526-73-0004

A vulnerability in the libexpat XML file parsing library is related to unrestricted resource allocation. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

XML Injection

samlify is vulnerable to XML injection. The vulnerability is due to improper escaping of user-controlled values inserted into XML element text, where unescaped attribute values can inject additional SAML attributes into signed assertions, allowing attackers to escalate privileges by adding truste...

authentik 安全漏洞

Authentik is an open-source identity provisioning application developed by Authentik. Versions of Authentik prior to 2025.12.4, as well as versions from 2026.2.0-rc1 to 2026.2.2, contain security vulnerabilities. These vulnerabilities stem from XML injection in SAML NameID fields, which could all...

CVE-2026-44664

A flaw was found in fast-xml-builder. The software, which builds XML from JSON, incorrectly sanitizes XML comment content. This allows a remote attacker to bypass the sanitization by using three consecutive dashes, enabling them to break out of an XML comment and inject arbitrary XML or HTML...

Astra Linux – Vulnerability in netcdf

A issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxmldecode performs incorrect memory handling during the parsing of crafted XML files, resulting in a heap out-of-bounds read...