Vulnerability Monitor

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CVE-2024-30166

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.

Published

2024-04-03T03:15:10.510

Last Modified

2025-06-27T17:46:25.570

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

Weaknesses

Type: Secondary
CWE-121

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	arm	mbed_tls	< 3.6.0	Yes

References

https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.6.0 Release Notes ([email protected])
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ Vendor Advisory ([email protected])
https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.6.0 Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)