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Vulnerabilities

Vulnerability · 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 a

Published May 30, 2025 · catalog updated May 30, 2025 · Improper Validation of Unsafe

Check this week

CVE-2024-12224 is not in CISA KEV. FIRST estimates a 22.00% chance of exploitation in the next 30 days. Check whether you run Improper Validation of Unsafe.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Improper Validation of Unsafe).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
22.00%
Remediation
Version ranges on file
Affected products
vendor servo rust-url 0 <1.0.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor servo rust-url 0 <1.0.00 <1.0.0

How to fix CVE-2024-12224

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-12224 is not in CISA KEV. FIRST estimates a 22.00% chance of exploitation in the next 30 days. Check whether you run Improper Validation of Unsafe.

Which versions are affected?

Compare what you have installed with servo rust-url 0 <1.0.0 0 <1.0.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 22.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 30, 2025 · EUVD

    Detected

    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.

  2. May 30, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2024-12224

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2024-3478

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 30, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.