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TI-2022-12000 Aliases CVE-2022-29546GHSA-6jmm-mp6w-4rrg

HtmlUnit NekoHtml Parser before 2.61.0 suffers from a denial of service vulnerability.

Priority LOW 35CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01231 69th percentileScored 2026-11-07
Fix Fixed net.sourceforge.htmlunit:neko-htmlunit (Maven): 2.61.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—net.sourceforge.htmlunit:neko-htmlunit (Maven)before 2.61.02.61.0Patch availableGHSA-6jmm-mp6w-4rrg
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • net.sourceforge.htmlunit:neko-htmlunit (Maven) Vendor— Affected before 2.61.0 Fixed in 2.61.0 Patch available GHSA-6jmm-mp6w-4rrg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:htmlunit:htmlunit:*:*:*:*:*:*:*:*before 2.61.0VulnerableHtmlUnit
  • cpe:2.3:a:htmlunit:htmlunit:*:*:*:*:*:*:*:* Versions before 2.61.0 Vulnerable ·HtmlUnit

Remediation

  • Fix · GHSA-6jmm-mp6w-4rrg net.sourceforge.htmlunit:neko-htmlunit (Maven) Fixed in 2.61.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-29546
  2. 2026-10-03 Alias added: GHSA-6jmm-mp6w-4rrg
  3. 2026-11-02 CISA SSVC decision points changed

References

Advisory 2

Other 2

  • TI-2023-26758 HtmlUnit vulnerable to Remote Code Execution (RCE) via XSTL CVSS 3.1CRITICAL 9.8
  • TI-2023-11344 Code injection in net.sourceforge.htmlunit:htmlunit CVSS 3.1CRITICAL 9.8
  • TI-2020-04499 Code injection in HtmlUnit CVSS 3.1HIGH 8.1
  • TI-2022-11120 Certain Neko-related HTML parsers allow a denial of service via crafted Processing… CVSS 3.1HIGH 7.5
  • TI-2023-02621 Denial of service in HtmlUnit CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences