CVE-2026-34401 XML Notepad: XML External Entity (XXE) Injection via Unsafe XmlTextReader in XML Diff and Schema Loading

XML Notepad is a Windows program that provides a simple intuitive User Interface for browsing and editing XML documents. Prior to version 2.9.0.21, XML Notepad does not disable DTD processing by default which means external entities are resolved automatically. There is a well known attack related...

CVE-2026-34401

XML Notepad is affected by an XXE flaw in which DTD processing was not disabled by default prior to version 2.9.0.21, allowing external entities to be resolved. The issue could cause the application to make outbound HTTP/SMB requests and potentially leak local file contents or NTLM credentials. T...

CVE-2026-34401 XML Notepad: XML External Entity (XXE) Injection via Unsafe XmlTextReader in XML Diff and Schema Loading

XML Notepad is a Windows program that provides a simple intuitive User Interface for browsing and editing XML documents. Prior to version 2.9.0.21, XML Notepad does not disable DTD processing by default which means external entities are resolved automatically. There is a well known attack related...

SUSE-SU-2026:20985-1 Security update for expat

This update for expat fixes the following issues: - CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity declaration value bsc1259726. - CVE-2026-32777: denial of service due to infinite loop in DTD content parsing bsc1259711. - CVE-2026-3277...

CLSA-2026-1774605210 expat: Fix of 2 CVEs

CVE-2026-32777: fix infinite loop while parsing DTD content - CVE-2026-32778: fix NULL pointer dereference in setContext on retry after OOM...

Updated expat packages fix security vulnerabilities

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content. CVE-2026-32776 libexpat before 2.7.5 allows an infinite loop while parsing DTD content. CVE-2026-32777 libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry...

SUSE CVE-2026-4224

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

ALPINE-CVE-2026-4224

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

UBUNTU-CVE-2026-4224

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

CVE-2026-4224

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

CVE-2026-4224 Stack overflow parsing XML with deeply nested DTD content models

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

ALPINE-CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

UBUNTU-CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

CVE-2026-32777

A flaw was found in libexpat. A remote attacker could exploit this vulnerability by providing specially crafted Document Type Definition DTD content. This could lead to an infinite loop during parsing, resulting in a Denial of Service DoS for the application using libexpat...

CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

Linux Distros Unpatched Vulnerability : CVE-2026-32777

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.7.5 allows an infinite loop while parsing DTD content. CVE-2026-32777 Note that Nessus relies on the presence of the package as reported by th...