{"id":"CVE-2022-24839","aliases":["GHSA-9849-p7jc-9rmv"],"url":"https://o3.security/vulnerability/CVE-2022-24839","summary":"Uncontrolled Resource Consumption in org.cyberneko.html (nokogiri fork)","details":"## Summary\n\nThe fork of `org.cyberneko.html` used by Nokogiri (Rubygem) raises a `java.lang.OutOfMemoryError` exception when parsing ill-formed HTML markup.\n\n## Severity\n\nThe maintainers have evaluated this as [**High Severity** 7.5 (CVSS3.1)](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).\n\n## Mitigation\n\nUpgrade to `>= 1.9.22.noko2`.\n\n## Credit\n\nThis vulnerability was reported by [이형관 (windshock)](https://www.linkedin.com/in/windshock/).\n\n## References\n\n[CWE-400](https://cwe.mitre.org/data/definitions/400.html) Uncontrolled Resource Consumption\n\n## Notes\n\nThe upstream library `org.cyberneko.html` is no longer maintained.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.\n","published":"2022-04-11T21:25:12Z","modified":"2026-08-12T13:00:31.854733Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.nokogiri:nekohtml","fixedVersion":"1.9.22.noko2"}],"fix":{"url":"https://github.com/sparklemotion/nekohtml/commit/a800fce3b079def130ed42a408ff1d09f89e773d","label":"sparklemotion/nekohtml@a800fce"},"references":[{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24839.json"},{"type":"ADVISORY","url":"https://github.com/sparklemotion/nekohtml/security/advisories/GHSA-9849-p7jc-9rmv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24839"},{"type":"FIX","url":"https://github.com/sparklemotion/nekohtml/commit/a800fce3b079def130ed42a408ff1d09f89e773d"},{"type":"PACKAGE","url":"https://github.com/sparklemotion/nekohtml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T13:00:31.854733Z"}}