What’s Vulnerable › Vulnerabilities

CVE-2022-29546

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-25 · updated 2026-06-17

Description

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.

Affected products

• net.sourceforge.htmlunit:htmlunit: before 2.61.0 — fixed in 2.61.0

How to fix

Upgrade to a fixed version: net.sourceforge.htmlunit:htmlunit 2.61.0. Check the vendor advisory for mitigations.

References

• https://github.com/HtmlUnit/htmlunit-neko/security/advisories/GHSA-6jmm-mp6w-4rrg
• https://github.com/HtmlUnit/htmlunit-neko/security/advisories/GHSA-6jmm-mp6w-4rrg

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