CVE-2026-92987
roxmltree through 0.21.1 Denial of Service via Quadratic Parsing
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 17, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-407 Inefficient Algorithmic Complexity
Affected Products
| Product | Versions |
|---|---|
roxmltreeRazrFalcon |
|
References
- GitHub Issue #153issue-tracking
- https://github.com/RazrFalcon/roxmltreeproduct
- https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/parse.rs#L1014-L1020technical-description
- https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/lib.rs#L751-L755technical-description
- VulnCheck Advisory: roxmltree through 0.21.1 Denial of Service via Quadratic Parsingthird-party-advisory
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