Buffer overflow in Trustedfirmware Mbed TLS
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (53.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ (Vendor Advisory)
- github.com/Mbed-TLS/mbedtls/releases/tag/v3.6.0 (Release Notes)
Frequently asked questions
- What is CVE-2024-30166?
- CVE-2024-30166 is a critical-severity vulnerability in Trustedfirmware Mbed TLS, classified under Stack-based Buffer Overflow. CVSS score: 9.1/10. Published 2024-04-03.
- How severe is CVE-2024-30166?
- Critical severity. CVSS v3 base score is 9.1 out of 10.