CVE-2026-92987CWE-407

CVE-2026-92987

High · published September 17, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
49.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
8.7 · 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
EPSS
0.00630 · 49.5th percentile
Weakness
CWE-407 · Inefficient Algorithmic Complexity
Published
2026-09-17T19:17Z
References (5)
https://github.com/RazrFalcon/roxmltree · [email protected]https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/lib.rs#L751-L755 · [email protected]https://github.com/RazrFalcon/roxmltree/blob/v0.21.1/src/parse.rs#L1014-L1020 · [email protected]https://github.com/RazrFalcon/roxmltree/issues/153 · [email protected]https://www.vulncheck.com/advisories/roxmltree-through-0.21.1-denial-of-service-via-quadratic-parsing · [email protected]
EPSS history
Timeline
  • 19 SEP 03:55Z
    EPSS moved — → 0%
    epss
  • 17 SEP 14:22Z
    roxmltree through 0.21.1 Denial of Service via Quadratic Parsing
    cvelistv5