The urlnorm crate through 0.1.4 for Rust allows Regular Expression Denial of Service…
Priority MEDIUM 41CWE-1333Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-1333.
Summary
The urlnorm crate through 0.1.4 for Rust allows Regular Expression Denial of Service (ReDos) via a crafted URL to lib.rs. NOTE: the Supplier disputes this, taking the position that "Slow printing of URLs is not a CVE."
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01202 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:urlnorm_project:urlnorm:*:*:*:*:*:rust:*:* | up to 0.1.4 | Vulnerable | Urlnorm Project |
- cpe:2.3:a:urlnorm_project:urlnorm:*:*:*:*:*:rust:*:* Versions up to 0.1.4 Vulnerable ·Urlnorm Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-33289
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences