How severe is CVE-2024-12224?

CVE-2024-12224 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-12224 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-12224?

CVE-2024-12224 affects Servo Idna. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-12224?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-12224 have an EU (EUVD) identifier?

Yes. CVE-2024-12224 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3478.

When was CVE-2024-12224 published?

CVE-2024-12224 was published on 2025-05-30 and last updated on 2026-06-17.

CVE-2024-12224

CVE-2024-12224 is a high-severity vulnerability in Servo Idna with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 5.1
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3478
Weakness: CWE-352
Affected product: Servo Idna
Published: 2025-05-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 as distinct while another part of that system would treat as equivalent to another hostname.
How severe is CVE-2024-12224?: CVE-2024-12224 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-12224 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-12224?: CVE-2024-12224 affects Servo Idna. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-12224?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-12224 have an EU (EUVD) identifier?: Yes. CVE-2024-12224 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3478.
When was CVE-2024-12224 published?: CVE-2024-12224 was published on 2025-05-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:servo:idna:*:*:*:*:*:rust:*:*

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