CVE-2012-0640

CVE-2012-0640 is a none vulnerability published on March 12, 2012. WebKit in Apple Safari before 5.1.4 does not properly implement "From third parties and advertisers" cookie blocking, which makes it easier for remote web servers to track users via a cookie.

CVE-2012-0640 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-2012-0640 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.6% 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-2012-0640, 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.