Denial of Service (DoS) in Nokogiri on JRuby
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-400.
Summary
## Summary Nokogiri `v1.13.4` updates the vendored `org.cyberneko.html` library to `1.9.22.noko2` which addresses [CVE-2022-24839](https://github.com/sparklemotion/nekohtml/security/advisories/GHSA-9849-p7jc-9rmv). That CVE is rated 7.5 (High Severity). See [GHSA-9849-p7jc-9rmv](https://github.com/sparklemotion/nekohtml/security/advisories/GHSA-9849-p7jc-9rmv) for more information. Please note that this advisory only applies to the **JRuby** implementation of Nokogiri `< 1.13.4`. ## Mitigation Upgrade to Nokogiri `>= 1.13.4`. ## Impact ### [CVE-2022-24839](https://github.com/sparklemotion/nekohtml/security/advisories/GHSA-9849-p7jc-9rmv) in nekohtml - **Severity**: High 7.5 - **Type**: [CWE-400](https://cwe.mitre.org/data/definitions/400.html) Uncontrolled Resource Consumption - **Description**: The fork of `org.cyberneko.html` used by Nokogiri (Rubygem) raises a `java.lang.OutOfMemoryError` exception when parsing ill-formed HTML markup. - **See also**: [GHSA-9849-p7jc-9rmv](https://github.com/sparklemotion/nekohtml/security/advisories/GHSA-9849-p7jc-9rmv)
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | nokogiri (RubyGems) | before 1.13.4 | 1.13.4 | Patch available | GHSA-gx8x-g87m-h5q6 |
- nokogiri (RubyGems) Vendor— Affected before 1.13.4 Fixed in 1.13.4 Patch available GHSA-gx8x-g87m-h5q6
Remediation
- Fix · GHSA-gx8x-g87m-h5q6 nokogiri (RubyGems) Fixed in 1.13.4 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-gx8x-g87m-h5q6
References
Other 6
- https://github.com/sparklemotion/nekohtml/security/advisories/GHSA-9849-p7jc-9rmv
- https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-gx8x-g87m-h5q6
- https://github.com/sparklemotion/nekohtml/commit/a800fce3b079def130ed42a408ff1d09f89e773d
- https://github.com/sparklemotion/nokogiri
- https://github.com/sparklemotion/nokogiri/releases/tag/v1.13.4
- https://groups.google.com/g/ruby-security-ann/c/vX7qSjsvWis/m/TJWN4oOKBwAJ?utm_medium=email&utm_source=footer
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences