CVE-2026-92987

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/RazrFalcon/roxmltree
https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/lib.rs#L751-L755
https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/parse.rs#L1014-L1020
https://github.com/RazrFalcon/roxmltree/issues/153
https://www.vulncheck.com/advisories/roxmltree-through-0.21.1-denial-of-service-via-quadratic-parsing

Configurations

No configuration.

History

17 Sep 2026, 15:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 15:17

Updated : 2026-09-17 16:18

NVD link : CVE-2026-92987

Mitre link : CVE-2026-92987

CVE.ORG link : CVE-2026-92987

JSON object : View

Products Affected

No product.

CWE

CWE-407

Inefficient Algorithmic Complexity

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