CVE catalog

CVE-2024-30166

mbedtls affected and fixed versions

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: Medium · CVSS 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Published: Apr 3, 2024, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.74% · Oct 27, 2026

Projects and upstream resources

[mbedtls][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debiantrixie	mbedtls	Not reported	Not affectedDistribution reports not affected	[CVE-2024-30166]
Debiantrixie	mbedtls	`3.6.6-0.1~deb13u1`	Not affected	[CVE-2024-30166]
Debiansid	mbedtls	Not reported	Not affectedDistribution reports not affected	[CVE-2024-30166]
Debiansid	mbedtls	`3.6.7-3`	Not affected	[CVE-2024-30166]
Debianforky	mbedtls	Not reported	Not affectedDistribution reports not affected	[CVE-2024-30166]
Debianforky	mbedtls	`3.6.7-3`	Not affected	[CVE-2024-30166]
Debianbookworm	mbedtls	Not reported	Not affectedDistribution reports not affected	[CVE-2024-30166]
Debianbookworm	mbedtls	`2.28.3-1`	Not affected	[CVE-2024-30166]
UnknownRelease not reported	mbedtls	Not reported	UnknownSource applicability is not established	Provider not reported

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	mbedtls	Not reported	UnknownSource applicability is not established	Provider not reported
Debianbookworm	mbedtls	Not reported	Not affectedDistribution reports not affected	[CVE-2024-30166]
Debianbookworm	mbedtls	`2.28.3-1`	Not affected	[CVE-2024-30166]
Debianforky	mbedtls	Not reported	Not affectedDistribution reports not affected	[CVE-2024-30166]
Debianforky	mbedtls	`3.6.7-3`	Not affected	[CVE-2024-30166]
Debiansid	mbedtls	Not reported	Not affectedDistribution reports not affected	[CVE-2024-30166]
Debiansid	mbedtls	`3.6.7-3`	Not affected	[CVE-2024-30166]
Debiantrixie	mbedtls	Not reported	Not affectedDistribution reports not affected	[CVE-2024-30166]
Debiantrixie	mbedtls	`3.6.6-0.1~deb13u1`	Not affected	[CVE-2024-30166]

Original provider fields

{
  "package_releases": [
    {
      "name": "mbedtls",
      "status": "not affected",
      "release": "sid",
      "version": "3.6.7-3"
    },
    {
      "name": "mbedtls",
      "status": "not affected",
      "release": "forky",
      "version": "3.6.7-3"
    },
    {
      "name": "mbedtls",
      "status": "not affected",
      "release": "trixie",
      "version": "3.6.6-0.1~deb13u1"
    },
    {
      "name": "mbedtls",
      "status": "not affected",
      "release": "bookworm",
      "version": "2.28.3-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "mbedtls",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "mbedtls",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "mbedtls",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "mbedtls",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": "0"
    }
  ],
  "distribution_packages": [
    {
      "name": "mbedtls",
      "fixed_version": "0",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libmbedcrypto7]Unknown
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · amd64 · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
- 2.28.3-1 · arm64 · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
[libmbedtls14]Unknown
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · amd64 · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
- 2.28.3-1 · arm64 · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
[libmbedtls-dev]Unknown
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · amd64 · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
- 2.28.3-1 · arm64 · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
[libmbedtls-doc]Unknown
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · all · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
- 2.28.3-1 · all · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
[libmbedx509-1]Unknown
Source package: [mbedtls]
Details (2)
- 2.28.3-1 · amd64 · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm
- 2.28.3-1 · arm64 · bookworm
  Not affected
  dsa · mbedtls · debian · bookworm

Observed: Oct 28, 2026, 5:36:54 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]