CVE-2024-23775: Arm Mbed TLS

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Integer Overflow vulnerability in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2, allows attackers to cause a denial of service (DoS) via mbedtls_x509_set_extension().

Affected products

• Arm Mbed TLS: from 2.0.0, before 2.28.7 (fixed in 2.28.7)
• Trustedfirmware Mbed TLS: from 3.0.0, before 3.5.2 (fixed in 3.5.2)

Published 2024-01-31. Last modified 2026-06-17.