CVE-2024-12224 – Servo rust-url IDNA Punycode Equivalence Validation Vulnerability

The following table lists the changes that have been made to the
CVE-2024-12224 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 30, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-1289
    Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=1887898
    Added Reference https://rustsec.org/advisories/RUSTSEC-2024-0421.html
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