High severity · published Apr 25, 2022
CVE-2022-29546
HtmlUnit NekoHtml Parser before 2.61.0 suffers from a denial of service vulnerability
7.5
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HT
Htmlunit · Htmlunit
before 2.61.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-29546
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-29546
Third Party Advisory
https://github.com/HtmlUnit/htmlunit-neko/security/advisories/GHSA-6jmm-mp6w-4rrg
More from Htmlunit
9.8
CVE-2023-26119
Versions of the package net.sourceforge.htmlunit:htmlunit from 0 and before 3.0.0 are vulnerable to Remote Code Execution (RCE) via XSTL, when browsing the attacker’s webpage
8.8
CVE-2023-49093
HtmlUnit is a GUI-less browser for Java programs
8.1
CVE-2020-5529
HtmlUnit prior to 2.37.0 contains code execution vulnerabilities
7.5
CVE-2023-2798
Those using HtmlUnit to browse untrusted webpages may be vulnerable to Denial of service attacks (DoS)
7.5
CVE-2022-28366
Certain Neko-related HTML parsers allow a denial of service via crafted Processing Instruction (PI) input that causes excessive heap memory consumption
