About the security content of iOS 8.3
WebKit
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Visiting a maliciously crafted website may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling.
CVE-ID
CVE-2015-1068 : Apple
CVE-2015-1069 : lokihardt@ASRT working with HP's Zero Day Initiative
CVE-2015-1070 : Apple
CVE-2015-1071 : Apple
CVE-2015-1072
CVE-2015-1073 : Apple
CVE-2015-1074 : Apple
CVE-2015-1076
CVE-2015-1077 : Apple
CVE-2015-1078 : Apple
CVE-2015-1079 : Apple
CVE-2015-1080 : Apple
CVE-2015-1081 : Apple
CVE-2015-1082 : Apple
CVE-2015-1083 : Apple
CVE-2015-1119 : Renata Hodovan of University of Szeged / Samsung Electronics
CVE-2015-1120 : Apple
CVE-2015-1121 : Apple
CVE-2015-1122 : Apple
CVE-2015-1123 : Randy Luecke and Anoop Menon of Google Inc.
CVE-2015-1124 : Apple