Security Advisory

CVE-2021-21366

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-03-12 00:00:00

Last updated 2024-08-03 18:09:16

Assigner GitHub_M

State PUBLISHED

Description

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. xmldom versions 0.4.0 and older do not correctly preserve system identifiers, FPIs or namespaces when repeatedly parsing and serializing maliciously crafted documents. This may lead to unexpected syntactic changes during XML processing in some downstream applications. This is fixed in version 0.5.0. As a workaround downstream applications can validate the input and reject the maliciously crafted documents.

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