CVE-2011-4109: OpenSSL

High severity, CVSS 9.3. EPSS: 16.9% chance of exploitation in the next 30 days.

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Affected products

• OpenSSL OpenSSL: version 0.9.8 only; version 0.9.8a only; version 0.9.8b only; version 0.9.8c only; version 0.9.8d only; version 0.9.8e only; …

Published 2012-01-06. Last modified 2026-06-16.