CVE-2023-43615: Arm Mbed TLS

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.

Affected products

• Arm Mbed TLS: from 2.0.0, before 2.28.5 (fixed in 2.28.5)
• Fedoraproject Fedora: version 37 only; version 38 only; version 39 only
• Trustedfirmware Mbed TLS: from 3.0.0, before 3.5.0 (fixed in 3.5.0)

Published 2023-10-07. Last modified 2026-06-17.