{"id":"CVE-2026-92987","aliases":["AZL-105209","EUVD-2026-81624","GHSA-5fxw-8768-v85x","openSUSE-SU-2026:11841-1"],"status":"published","title":"roxmltree through 0.21.1 Denial of Service via Quadratic Parsing","description":"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.","severity":{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0063,"percentile":0.50523,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-407"],"published":"2026-09-17T14:22:10Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"openSUSE:Tumbleweed","package":"python-uv","fixed_in":["0.12.17-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"openvmm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.4.0-1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"python-uv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.17-1.1"}]}]}],"products":[{"vendor":"razrfalcon","product":"roxmltree"}],"references":[{"url":"https://github.com/RazrFalcon/roxmltree/issues/153","tags":["issue-tracking","report"]},{"url":"https://github.com/RazrFalcon/roxmltree","tags":["product","package"]},{"url":"https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/parse.rs#L1014-L1020","tags":["technical-description","article"]},{"url":"https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/lib.rs#L751-L755","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/roxmltree-through-0.21.1-denial-of-service-via-quadratic-parsing","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92987","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-5fxw-8768-v85x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92987.json","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-92987","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-92987","title":"roxmltree through 0.21.1 Denial of Service via Quadratic Parsing","description":"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.","status":"published","published":"2026-09-17T14:22:10.913Z","modified":"2026-09-24T14:22:59.55Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T13:48:35.749498Z"}],"euvd":[{"id":"EUVD-2026-81624","description":"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.","status":"published","published":"2026-09-17T14:22:10Z","modified":"2026-09-24T14:22:59Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"updated_at":"2026-11-02T17:27:57.035497Z"}],"ghsa":[{"id":"GHSA-5fxw-8768-v85x","title":"roxmltree through 0.21.1 performs quadratic-time attribute and namespace validation during XML...","description":"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.","status":"published","published":"2026-09-17T15:32:19Z","modified":"2026-09-17T15:32:33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T15:12:05.417571Z"}],"nvd":[{"id":"CVE-2026-92987","description":"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.","status":"published","published":"2026-09-17T15:17:02.203Z","modified":"2026-09-22T20:43:58.793Z","cvss":[{"version":"4.0","score":8.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T14:12:49.013904Z"}],"osv":[{"id":"CVE-2026-92987","title":"roxmltree through 0.21.1 Denial of Service via Quadratic Parsing","description":"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.","status":"published","published":"2026-09-17T14:22:10.913Z","modified":"2026-10-28T02:30:41.301573834Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T15:45:20.588039Z"},{"id":"AZL-105209","title":"CVE-2026-92987 affecting package openvmm 0.4.0-1","description":"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.","status":"published","published":"2026-09-17T15:17:02Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:17.719431Z"},{"id":"openSUSE-SU-2026:11841-1","title":"python313-uv-0.12.17-1.1 on GA media","description":"These are all security issues fixed in the python313-uv-0.12.17-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-21T00:00:00Z","modified":"2026-09-22T18:23:09.527331648Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}