CVE-2026-83615

xmldom , a pure JavaScript XML DOM parser, has a quadratic memory consumption flaw in appendElement within lib/sax.js. The function clones the entire namespace map (currentNSMap) via _copy for every nested element that declares a new namespace prefix, keeping all ancestor maps alive on the parse ...

CVE-2026-83615 xmldom: Quadratic-memory consumption

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom versions 0.1.5 through 0.6.0, appendElement in lib/sax.js uses copy to clone the complete currentNSMap for each nested element...

CVE-2026-83614

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom versions 0.3.0 through 0.6.0, two independent quadratic paths can cause denial of service. In lib/sax.js, parseElementStartPart...

CVE-2026-83611 xmldom: Parser silently accepts a not-well-formed end tag whose name is followed by a line break and trailing content

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, DOMParser.parseFromString can silently accept an end tag such as , close the element, and discard th...

CVE-2026-83611

xmldom (and @xmldom/xmldom ) is a pure JavaScript XML DOM parser. The vulnerability lies in DOMParser.parseFromString() , which can silently accept a malformed end tag where the tag name is followed by a line break and trailing content (e.g., ), closing the element and discarding the trailing con...

Security Bulletin: IBM Storage Fusion Data Foundation is vulnerable to Improper Input Validation.

Summary fast-xml-parser is used by IBM Storage Fusion Data Foundation, which could cause Improper Input Validation. CVE-2026-25896. Vulnerability Details CVEID:CVE-2026-25896 DESCRIPTION: fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C...

CVE-2026-83610 xmldom: XML fragment injection via invalid EntityReference.nodeName during requireWellFormed serialization

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, Document.createEntityReferencename accepts an invalid name and the ENTITYREFERENCENODE serializer...

CVE-2026-83610

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, Document.createEntityReferencename accepts an invalid name and the ENTITYREFERENCENODE serializer...

CVE-2026-83610 xmldom: XML fragment injection via invalid EntityReference.nodeName during requireWellFormed serialization

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, Document.createEntityReferencename accepts an invalid name and the ENTITYREFERENCENODE serializer...

CVE-2026-83610

xmldom , a pure JavaScript XML DOM library, is vulnerable to XML fragment injection via Document.createEntityReference(name) accepting an invalid name. When the resulting EntityReference node is serialized with XMLSerializer.serializeToString() using requireWellFormed: true, the invalid nodeName ...

CVE-2026-83610 xmldom: XML fragment injection via invalid EntityReference.nodeName during requireWellFormed serialization

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, Document.createEntityReferencename accepts an invalid name and the ENTITYREFERENCENODE serializer...

CVE-2026-83609

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. From 0.9.0 until 0.9.12, the shared reg builder in lib/grammar.js compiles the anchored QNameexact validator with the multiline flag, so ^ and $ validate only one line instead of the complete...

CVE-2026-83609 xmldom: Creation-time XML Name/QName validation is bypassable via an embedded line terminator, allowing injection on the default serialization path

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. From 0.9.0 until 0.9.12, the shared reg builder in lib/grammar.js compiles the anchored QNameexact validator with the multiline flag, so ^ and $ validate only one line instead of the complete...

CVE-2026-83609 xmldom: Creation-time XML Name/QName validation is bypassable via an embedded line terminator, allowing injection on the default serialization path

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. From 0.9.0 until 0.9.12, the shared reg builder in lib/grammar.js compiles the anchored QNameexact validator with the multiline flag, so ^ and $ validate only one line instead of the complete...

CVE-2026-83609

xmldom (a pure JavaScript W3C XML DOM module) is vulnerable in versions 0.9.0 through 0.9.12 due to a flaw in lib/grammar.js. The shared reg() builder compiles the anchored QName_exact validator with the multiline flag , causing ^ and $ to validate only one line rather than the full name. As a re...

CVE-2026-83608

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, the DOCUMENTTYPENODE branch in lib/dom.js validates publicId, systemId, and internalSubset under...

CVE-2026-83608 xmldom: DocType `name` Injection Bypasses requireWellFormed

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, the DOCUMENTTYPENODE branch in lib/dom.js validates publicId, systemId, and internalSubset under...

CVE-2026-83607

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.14 and 0.9.11, and in xmldom version 0.6.0 and earlier, Document.createElementtagName stores an unvalidated element name and XMLSerializer.serializeToString...

CVE-2026-83607

xmldom , a pure JavaScript XML DOM module, is affected by an element name injection vulnerability. Prior to @xmldom/xmldom 0.8.14 and 0.9.11 , and in xmldom 0.6.0 and earlier, Document.createElement(tagName) stores an unvalidated element name that XMLSerializer.serializeToString() emits verbatim....

CVE-2026-83607 xmldom: Element name injection via createElement() bypasses requireWellFormed

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.14 and 0.9.11, and in xmldom version 0.6.0 and earlier, Document.createElementtagName stores an unvalidated element name and XMLSerializer.serializeToString...