CVE-2011-4109

CVE-2011-4109 is a none vulnerability published on January 6, 2012. Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509VFLAGPOLICYCHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

CVE-2011-4109 was first published in the National Vulnerability Database on January 6, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

CVE-2011-4109 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4109, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.