perl-XML-LibXML: XML::LibXML: Denial of Service via truncated UTF-8 in XML node names

A flaw was found in XML::LibXML for Perl. A remote attacker could exploit this vulnerability when processing specially crafted XML node names containing incomplete UTF-8 character sequences. This can lead to an out-of-bounds read in heap memory, potentially causing the application to crash and...

Important: Red Hat Security Advisory: perl-XML-LibXML security update

An update for perl-XML-LibXML is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

UBUNTU-CVE-2026-57434

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri contains a bug when calling certain methods on allocated-but-uninitialized native wrapper classes that inherit from Nokogiri::XML::Node. This caused a NULL pointer dereference that could...

UBUNTU-CVE-2026-57436

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::Documentroot= validated only that the new root was a Nokogiri::XML::Node, allowing a DTD node to be set as the document root. The result is a heap use-after-free during garbage...

UBUNTU-CVE-2026-57236

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, calling Documentencoding= with an invalid encoding e.g., a non-string, or a string containing a null byte raises an exception, but only after freeing the document's current encoding string without...

CVE-2026-57436

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::Documentroot= validated only that the new root was a Nokogiri::XML::Node, allowing a DTD node to be set as the document root. The result is a heap use-after-free during garbage...

CVE-2026-57435

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri’s CRuby native extension could leave a Ruby wrapper pointing to freed memory when replacing the value of an XML attribute. If Ruby code had already accessed an attribute child node,...

CVE-2026-57434

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri contains a bug when calling certain methods on allocated-but-uninitialized native wrapper classes that inherit from Nokogiri::XML::Node. This caused a NULL pointer dereference that could...

CVE-2026-57235

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::NodeSet and its alias slice checked the requested index against the node set's bounds using a 32-bit-truncated copy of the index. A large negative index could pass the check and then...

RHSA-2026:28254 Red Hat Security Advisory: libxml2 security update

Bulletin has no description...

RHEL 8 : libxml2 (RHSA-2026:27736)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:27736 advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: buffer over-read in...

Medium: perl-XML-LibXML

Issue Overview: XML::LibXML versions through 2.0210 for Perl read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences. A node name ending in the middle of a multi byte UTF-8 sequence causes the parser to read past the end of the input string into adjace...

Medium: perl-XML-LibXML

Issue Overview: XML::LibXML versions through 2.0210 for Perl read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences. A node name ending in the middle of a multi byte UTF-8 sequence causes the parser to read past the end of the input string into adjace...

CVE-2026-8177 affecting package perl-XML-LibXML for versions less than 2.0209-3

CVE-2026-8177 affecting package perl-XML-LibXML for versions less than 2.0209-3. A patched version of the package is available...

Astra Linux – Vulnerability in libxml2

In libxml2 version 2.9.13, the valid.c file contains a use-after-free issue with the ID and IDREF attributes...

Astra Linux – Vulnerability in lxml

Lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html allowed certain crafted script content to pass through, as well as script content in SVG files embedded using data URIs. Users who use the HTML Cleaner in a security-related...

CLSA-2026-1778492595 libxml2: Fix of CVE-2022-49043

CVE-2022-49043: fix use-after-free in xmlXIncludeAddNode by deferring xmlFreeURI until after the error path has consumed the value...

Moderate: Red Hat Security Advisory: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

Linux Distros Unpatched Vulnerability : CVE-2026-8177

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - XML::LibXML versions through 2.0210 for Perl read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences. A node name...

PT-2026-39540

Name of the Vulnerable Software and Affected Versions XML::LibXML versions prior to 2.0211 Description XML::LibXML for Perl reads out-of-bounds heap memory when parsing XML node names that contain truncated UTF-8 byte sequences. A node name ending in the middle of a multi-byte UTF-8 sequence caus...