CSRF in Servo Idna
CVE-2024-12224
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (11.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Servo Idna
- Servo Rust-Url — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rustsec.org/advisories/RUSTSEC-2024-0421.html (vendor-advisory, Third Party Advisory)
- bugzilla.mozilla.org/show_bug.cgi (issue-tracking, Exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2024-12224?
- CVE-2024-12224 is a high-severity vulnerability in Servo Idna, classified under CWE-1289. CVSS score: 8.8/10. Published 2025-05-30.
- How severe is CVE-2024-12224?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2024-12224 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.