PatchTheCVECVE-2024-12224: Improper Validation of Unsafe Equivalence in punycode by the idna crate from Servo rust-url allows an attacker
CVE-2024-12224 is a high-severity flaw (CVSS 8.8) affecting idna. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-12224?
idna: upgrade to 1.0.0. Exact commands for each OS are on this page.
Is CVE-2024-12224 being exploited?
CVE-2024-12224 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-12224 affect?
CVE-2024-12224 affects idna. Severity is high (CVSS 8.8). 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
How urgent is CVE-2024-12224?
Priority 39/100. High severity; Public exploit reference