Description
Improper Validation of Unsafe Equivalence in punycode by the idna crate from Servo rust-url allows an attacker to create a punycode hostname that one part of a system might treat as distinct while another part of that system would treat as equivalent to another hostname.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| servo | rust-url | < 1.0.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1887898Exploit, Issue Tracking
- https://rustsec.org/advisories/RUSTSEC-2024-0421.htmlThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1887898Exploit, Issue Tracking
Timeline
- Published
- May 30, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed