CVE-2012-1558

CVE-2012-1558 is a none vulnerability published on March 12, 2012. yaSSL CyaSSL before 2.0.8 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted X.509 certificate.

CVE-2012-1558 was first published in the National Vulnerability Database on March 12, 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-2012-1558 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.6% 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-2012-1558, 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.