{"id":"CVE-2026-92987","summary":"roxmltree through 0.21.1 Denial of Service via Quadratic Parsing","details":"roxmltree through 0.21.1 performs quadratic-time attribute and namespace validation during XML parsing without limits on attribute count. Attackers can craft XML documents with tens of thousands of attributes on a single element to consume excessive CPU time and cause denial of service.","modified":"2026-09-19T03:46:28.801738072Z","published":"2026-09-17T14:22:10.913Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92987.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-407"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92987.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92987"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/roxmltree-through-0.21.1-denial-of-service-via-quadratic-parsing"},{"type":"REPORT","url":"https://github.com/RazrFalcon/roxmltree/issues/153"},{"type":"PACKAGE","url":"https://github.com/RazrFalcon/roxmltree"},{"type":"ARTICLE","url":"https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/lib.rs#L751-L755"},{"type":"ARTICLE","url":"https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/parse.rs#L1014-L1020"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/razrfalcon/roxmltree","events":[{"introduced":"0"},{"fixed":"67644e16f43c34cadc9e163163dd1aaf7ebe205e"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"0.21.1"},{"fixed":"0.21.1"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v0.21.0","v0.20.0","v0.19.0","v0.18.1","v0.18.0","v0.17.0","v0.16.0","v0.15.1","v0.15.0","v0.14.1","v0.14.0","v0.13.1","v0.13.0","v0.12.0","v0.11.1","v0.11.0","v0.10.1","v0.10.0","v0.9.1","v0.9.0","v0.8.0","v0.7.3","v0.7.2","v0.7.1","v0.7.0","v0.6.1","v0.6.0","v0.5.0","v0.4.1","v0.4.0","v0.3.0","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92987.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}