KLA10564
Denial of service vulnerability in OS X

An unspecified vulnerability was found in Apple OS X. By exploiting this vulnerability malicious users can cause denial of service. This vulnerability can be exploited remotely via a specially designed JPEG.

NB: Vendor does not provide CVSS rating. This rating was calculated in Kaspersky Lab and can differ from other sources information.

OS X Yosemite version 10.10.3 for iMac (Retina 5K, 27-inch, Late 2014)
OS X Yosemite version 10.10.3 for iMac (27-inch, Late 2013)
OS X Yosemite version 10.10.3 for iMac (21.5-inch, Late 2013)

Install iMac Graphics update
get Graphics Update

Apple article