CVE-2022-29546: Htmlunit

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

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

• Htmlunit Htmlunit: before 2.61.0 (fixed in 2.61.0)

Published 2022-04-25. Last modified 2026-06-17.