OutOfMemory Exception by specifically crafted processing instruction in NekoHtml Parser

高 7.5CVE-2022-29546 · GHSA-6jmm-mp6w-4rrg · 25/04/2022 公開 · 17/06/2026 更新

要点

CVE-2022-29546 は net.sourceforge.htmlunit:neko-htmlunit, htmlunit (htmlunit) に影響する深刻度「高」 (CVSS 7.5) の脆弱性です。
今後30日間に悪用される確率（EPSS）：1.2%（全脆弱性の 69.0% より高い）。
対処：2.61.0 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
net.sourceforge.htmlunit:neko-htmlunit Maven	`< 2.61.0`	`2.61.0`
htmlunit htmlunit	`< 2.61.0`	`2.61.0`

概要

Impact

NekoHtml Parser suffers from a denial of service vulnerability on versions 2.60.0 and below. A specifically crafted input regarding the parsing of processing instructions leads to heap memory consumption. Please update to version 2.61.0.

For more information

If you have any questions or comments about this advisory:

Open an issue in https://github.com/HtmlUnit/htmlunit-neko
Email us at [rbri at rbri.de]

NVD の説明

HtmlUnit NekoHtml Parser before 2.61.0 suffers from a denial of service vulnerability. Crafted input associated with the parsing of Processing Instruction (PI) data leads to heap memory consumption. This is similar to CVE-2022-28366 but affects a much later version of the product.