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bdu:2022-07108

EUVD-2026-232581

fkie_cve-2022-39353

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. xmldom parses XML that is not well-formed because it contains multiple top level elements, and adds all root nodes to the `childNodes` collection of the `Document`, without reporting any error or throwing. This breaks the assumption that there is only a single root node in the tree, which led to issuance of CVE-2022-39299 as it is a potential issue for dependents. Update to @xmldom/xmldom@~0.7.7, @xmldom/xmldom@~0.8.4 (dist-tag latest) or @xmldom/xmldom@>=0.9.0-beta.4 (dist-tag next). As a workaround, please one of the following approaches depending on your use case: instead of searching for elements in the whole DOM, only search in the `documentElement`or reject a document with a document that has more then 1 `childNode`.

GHSA-crh6-fp67-6883 — xmldom allows multiple root nodes in a DOM

Affected: npm: xmldom, npm: @xmldom/xmldom

### Impact xmldom parses XML that is not well-formed because it contains multiple top level elements, and adds all root nodes to the `childNodes` collection of the `Document`, without reporting any error or throwing. This breaks the assumption that there is only a single root node in the tree, which led to https://nvd.nist.gov/vuln/detail/CVE-2022-39299 and is a potential issue for dependents.

### Patches Update to `@xmldom/xmldom@~0.7.7`, `@xmldom/xmldom@~0.8.4` (dist-tag `latest`) or `@xmldom/xmldom@>=0.9.0-beta.4` (dist-tag `next`).

### Workarounds One of the following approaches might help, depending on your use case: - Instead of searching for elements in the whole DOM, only search in the `documentElement`. - Reject a document with a document that has more then 1 `childNode`.

### References - https://nvd.nist.gov/vuln/detail/CVE-2022-39299 - https://github.com/jindw/xmldom/issues/150

### For more information If you have any questions or comments about this advisory: * Email us at security@xmldom.org

gsd-2022-39353

msrc_CVE-2022-39353 — xmldom allows multiple root nodes in a DOM

msrc_CVE-2022-39353

UBUNTU-CVE-2022-39353

Affected: Ubuntu:20.04:LTS: node-xmldom, Ubuntu:22.04:LTS: node-xmldom, Ubuntu:24.04:LTS: node-xmldom, Ubuntu:25.10: node-xmldom, Ubuntu:26.04:LTS: node-xmldom