{"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":"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.","published":"2022-04-25T02:54:59Z","modified":"2026-08-12T03:51:13.018287444Z","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":null,"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:13.018287444Z"}}