CVE-2022-24839
7.5 · HIGHOverview
CVE-2022-24839 is a high-severity vulnerability affecting nekohtml_project nekohtml. It was published on April 11, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
org.cyberneko.html is an html parser written in Java. The fork of `org.cyberneko.html` used by Nokogiri (Rubygem) raises a `java.lang.OutOfMemoryError` exception when parsing ill-formed HTML markup. Users are advised to upgrade to `>= 1.9.22.noko2`. Note: The upstream library `org.cyberneko.html` is no longer maintained. Nokogiri uses its own fork of this library located at https://github.com/sparklemotion/nekohtml and this CVE applies only to that fork. Other forks of nekohtml may have a similar vulnerability.
Remediation
Check the references section for vendor advisories and patches from nekohtml_project. Update nekohtml to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| nekohtml_project | nekohtml | >= 0, < 1.9.22.noko2 | Affected |
References
Frequently Asked Questions
What is CVE-2022-24839?
CVE-2022-24839 is a high-severity vulnerability affecting nekohtml_project nekohtml. It was published on April 11, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2022-24839?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-24839?
Check the references section for vendor advisories and patches from nekohtml_project. Update nekohtml to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-24839?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-24839 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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