CVE-2026-92987roxmltree through 0.21.1 Denial of Service via Quadratic Parsing
Updated under an hour ago ()
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It affects RazrFalcon roxmltree. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-407
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
RazrFalcon roxmltree razrfalcon:roxmltree (from the name) | through 0.21.1 | CNA record |
References
- https://github.com/RazrFalcon/roxmltree/issues/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
- https://www.vulncheck.com/advisories/roxmltree-through-0.21.1-denial-of-service-via-quadratic-parsingthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.