CVE-2022-39353
Description
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`.
How to fix
- xmldom_project xmldom0.6.0, 0.7.7, 0.8.4 or later
- @xmldom/xmldom0.7.7, 0.8.4, 0.9.0-beta.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xmldom_project xmldom | v < 0.6.0, 0.7.0 ≤ v < 0.7.7, 0.8.0 ≤ v < 0.8.4, 0.9.0 | 0.6.0, 0.7.7, 0.8.4 |
| debian debian_linux | 10.0 | — |
| xmldomnpm | v ≤ 0.6.0 | — |
| @xmldom/xmldomnpm | v < 0.7.7, 0.8.0 ≤ v < 0.8.4, 0.9.0-beta.1 ≤ v < 0.9.0-beta.4 | 0.7.7, 0.8.4, 0.9.0-beta.4 |
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