CVE-2011-1923: Polarssl

Medium severity, CVSS 4.0. EPSS: 1.3% chance of exploitation in the next 30 days.

The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-5095.

Affected products

• Polarssl Polarssl: up to and including 0.14.0; version 0.10.0 only; version 0.10.1 only; version 0.11.0 only; version 0.11.1 only; version 0.12.0 only; …

Published 2012-06-20. Last modified 2026-06-16.