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CVE-2024-12224: idna accepts Punycode labels that do not produce any non-ASCII when decoded
5.1
CVSS
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.
Classification
CVE ID: CVE-2024-12224
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.1
CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
Problem Types
CWE-1289Affected Products
Vendor: servo
Product: rust-url
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.06% (probability of being exploited)
EPSS Percentile: 18.88% (scored less or equal to compared to others)
EPSS Date: 2025-06-17 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2024-12224https://rustsec.org/advisories/RUSTSEC-2024-0421.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1887898