CVE-2011-1466

CVE-2011-1466 describes an integer overflow vulnerability in the Calendar extension of PHP versions prior to 5.3.6. Specifically, the SdnToJulian function can be exploited by providing a large integer to the cal_from_jd function, leading to an application crash and denial of service. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, requiring no authentication. There is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.