High
rust-idna — security advisory
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.
- Products
- rust-idna
- Affected versions
- 0.1.5-1, 0.2.0-1, 0.3.0-1, 0.4.0-1, 1.0.3-2, 1.1.0-1
- Fixed versions
- Not specified
- CVEs
- CVE-2024-12224
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:12 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2024-12224
rust-idna
Fixed versions: Not specified
rust-idna
Fixed versions: Not specified
rust-idna
Fixed versions: Not specified
rust-idna
Fixed versions: Not specified
rust-idna
Fixed versions: Not specified
rust-idna
Fixed versions: Not specified
Complete source record
{
"id": "b932f41979d5feb5f5bbe48f4bbd5c1e46e76a125fb5d01f4e99de8babc595f0",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2024-12224",
"method": "structured",
"payload": {
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"title": "UBUNTU-CVE-2024-12224",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2024-12224",
"products": [
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],
"severity": "high",
"structured": {
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"aliases": [
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"metrics": [
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "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"
},
{
"type": "Ubuntu",
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"affected": [
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{
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"package": {
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"ecosystem": "Ubuntu:22.04:LTS"
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"versions": [
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"database_specific": {
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],
"modified": "2026-10-17T12:56:43.146057737Z",
"provider": "osv",
"upstream": [
"CVE-2024-12224"
],
"references": [
"https://ubuntu.com/security/CVE-2024-12224",
"https://www.cve.org/CVERecord?id=CVE-2024-12224",
"https://rustsec.org/advisories/RUSTSEC-2024-0421.html",
"https://bugzilla.mozilla.org/show_bug.cgi?id=1887898"
]
},
"related_cves": [
{
"value": "CVE-2024-12224",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 356046,
"published_at": "2025-05-30T02:15:00+00:00"
}