{"cve":"CVE-2024-12224","nvd":{"published":"2025-05-30T02:15:19.670","modified":"2026-06-17T06:59:17.020","status":"Analyzed","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.","cvss_v4":{"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","score":5.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-352","CWE-1289"],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1887898","https://rustsec.org/advisories/RUSTSEC-2024-0421.html","https://bugzilla.mozilla.org/show_bug.cgi?id=1887898"],"products":["servo:idna"],"source":"nvd","synced_at":"2026-10-19T22:01:57.636215869+00:00"},"epss":{"cve":"CVE-2024-12224","score":0.0023,"percentile":0.13898,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-h97m-ww89-6jmq","url":"https://osv.dev/vulnerability/GHSA-h97m-ww89-6jmq","summary":"`idna` accepts Punycode labels that do not produce any non-ASCII when decoded","modified":"2026-09-10T03:50:21.562272915Z","packages":[{"ecosystem":"crates.io","name":"idna","purl":"pkg:cargo/idna","ranges":["<1.0.0"],"fixed":["1.0.0"]}]},{"id":"RUSTSEC-2024-0421","url":"https://osv.dev/vulnerability/RUSTSEC-2024-0421","summary":"`idna` accepts Punycode labels that do not produce any non-ASCII when decoded","modified":"2025-10-28T06:02:18Z","packages":[{"ecosystem":"crates.io","name":"idna","purl":"pkg:cargo/idna","ranges":[">=0.0.0-0 <1.0.0"],"fixed":["1.0.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}