{"id":"CVE-2022-29546","aliases":["GHSA-6jmm-mp6w-4rrg"],"url":"https://o3.security/vulnerability/CVE-2022-29546","summary":"OutOfMemory Exception by specifically crafted processing instruction in NekoHtml Parser","details":"### Impact\nNekoHtml Parser suffers from a denial of service vulnerability on versions 2.60.0 and below. A specifically crafted input regarding the parsing of processing instructions leads to heap memory consumption. Please update to version 2.61.0.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [https://github.com/HtmlUnit/htmlunit-neko](https://github.com/HtmlUnit/htmlunit-neko)\n* Email us at [rbri at rbri.de]\n","published":"2022-04-25T02:54:59Z","modified":"2026-11-04T02:30:50.602153545Z","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":"net.sourceforge.htmlunit:neko-htmlunit","fixedVersion":"2.61.0"}],"fix":{"url":"https://github.com/HtmlUnit/htmlunit-neko/commit/9d2aecd69223469e40c12ca3edddda09009110cc","label":"HtmlUnit/htmlunit-neko@9d2aecd"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29546.json"},{"type":"ADVISORY","url":"https://github.com/HtmlUnit/htmlunit-neko/security/advisories/GHSA-6jmm-mp6w-4rrg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-29546"},{"type":"WEB","url":"https://github.com/HtmlUnit/htmlunit-neko/commit/9d2aecd69223469e40c12ca3edddda09009110cc"},{"type":"PACKAGE","url":"https://github.com/HtmlUnit/htmlunit-neko"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-11-04T02:30:50.602153545Z"}}