CVE-2026-92987
roxmltree through 0.21.1 Denial of Service via Quadratic Parsing
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-407 |
| Vendor | razrfalcon |
| Product | roxmltree |
| Published | Sep 17, 2026 |
| Last Updated | Sep 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
RazrFalcon / roxmltree
0 ≤ 0.21.1
References
github.com: https://github.com/RazrFalcon/roxmltree/issues/153 github.com: https://github.com/RazrFalcon/roxmltree github.com: https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/parse.rs#L1014-L1020 github.com: https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/lib.rs#L751-L755 vulncheck.com: https://www.vulncheck.com/advisories/roxmltree-through-0.21.1-denial-of-service-via-quadratic-parsing
Credits
🔍 trickyfalcon