ubuntu-cve-2024-30166
Vulnerability from osv_ubuntu
Published
2024-04-03 03:15
Modified
2025-09-08 17:00
Summary
Details
In Mbed TLS 3.3.0 through 3.5.2 before 3.6.0, a malicious client can cause information disclosure or a denial of service because of a stack buffer over-read (of less than 256 bytes) in a TLS 1.3 server via a TLS 3.1 ClientHello.
Severity
9.1 (Critical)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmbedcrypto0",
"binary_version": "2.2.1-2ubuntu0.3"
},
{
"binary_name": "libmbedtls-dev",
"binary_version": "2.2.1-2ubuntu0.3"
},
{
"binary_name": "libmbedtls10",
"binary_version": "2.2.1-2ubuntu0.3"
},
{
"binary_name": "libmbedx509-0",
"binary_version": "2.2.1-2ubuntu0.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "mbedtls",
"purl": "pkg:deb/ubuntu/mbedtls@2.2.1-2ubuntu0.3?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.1.2-1",
"2.2.0-1",
"2.2.1-1",
"2.2.1-2",
"2.2.1-2ubuntu0.1",
"2.2.1-2ubuntu0.2",
"2.2.1-2ubuntu0.3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmbedcrypto1",
"binary_version": "2.8.0-1"
},
{
"binary_name": "libmbedtls-dev",
"binary_version": "2.8.0-1"
},
{
"binary_name": "libmbedtls10",
"binary_version": "2.8.0-1"
},
{
"binary_name": "libmbedx509-0",
"binary_version": "2.8.0-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "mbedtls",
"purl": "pkg:deb/ubuntu/mbedtls@2.8.0-1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.5.1-1ubuntu1",
"2.6.0-1",
"2.7.0-2",
"2.8.0-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmbedcrypto3",
"binary_version": "2.16.4-1ubuntu2"
},
{
"binary_name": "libmbedtls-dev",
"binary_version": "2.16.4-1ubuntu2"
},
{
"binary_name": "libmbedtls12",
"binary_version": "2.16.4-1ubuntu2"
},
{
"binary_name": "libmbedx509-0",
"binary_version": "2.16.4-1ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "mbedtls",
"purl": "pkg:deb/ubuntu/mbedtls@2.16.4-1ubuntu2?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.16.2-1",
"2.16.3-1",
"2.16.4-1ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmbedcrypto7",
"binary_version": "2.28.0-1build1"
},
{
"binary_name": "libmbedtls-dev",
"binary_version": "2.28.0-1build1"
},
{
"binary_name": "libmbedtls14",
"binary_version": "2.28.0-1build1"
},
{
"binary_name": "libmbedx509-1",
"binary_version": "2.28.0-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "mbedtls",
"purl": "pkg:deb/ubuntu/mbedtls@2.28.0-1build1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.16.9-0.1ubuntu1",
"2.16.11-0.1ubuntu1",
"2.16.11-0.3",
"2.28.0-1",
"2.28.0-1build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmbedcrypto7t64",
"binary_version": "2.28.8-1"
},
{
"binary_name": "libmbedtls-dev",
"binary_version": "2.28.8-1"
},
{
"binary_name": "libmbedtls14t64",
"binary_version": "2.28.8-1"
},
{
"binary_name": "libmbedx509-1t64",
"binary_version": "2.28.8-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "mbedtls",
"purl": "pkg:deb/ubuntu/mbedtls@2.28.8-1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.28.3-1",
"2.28.6-1ubuntu1",
"2.28.7-1ubuntu1",
"2.28.7-1.1ubuntu1",
"2.28.8-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmbedcrypto16",
"binary_version": "3.6.2-3ubuntu1"
},
{
"binary_name": "libmbedtls-dev",
"binary_version": "3.6.2-3ubuntu1"
},
{
"binary_name": "libmbedtls21",
"binary_version": "3.6.2-3ubuntu1"
},
{
"binary_name": "libmbedx509-7",
"binary_version": "3.6.2-3ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.04",
"name": "mbedtls",
"purl": "pkg:deb/ubuntu/mbedtls@3.6.2-3ubuntu1?arch=source\u0026distro=plucky"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.28.8-1",
"3.6.2-1ubuntu4",
"3.6.2-2ubuntu1",
"3.6.2-3ubuntu1"
]
}
],
"aliases": [],
"details": "In Mbed TLS 3.3.0 through 3.5.2 before 3.6.0, a malicious client can cause information disclosure or a denial of service because of a stack buffer over-read (of less than 256 bytes) in a TLS 1.3 server via a TLS 3.1 ClientHello.",
"id": "UBUNTU-CVE-2024-30166",
"modified": "2025-09-08T17:00:21Z",
"published": "2024-04-03T03:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2024-30166"
},
{
"type": "REPORT",
"url": "https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/"
},
{
"type": "REPORT",
"url": "https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.6.0"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-30166"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2024-30166"
],
"withdrawn": "2025-10-10T15:18:05Z"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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