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Available for: iOS 1.0 through iOS 3.0
Impact: Receiving a maliciously crafted SMS message may lead to an unexpected service interruption or arbitrary code execution
Description: A memory corruption issue exists in the decoding of SMS messages. Receiving a maliciously crafted SMS message may lead to an unexpected service interruption or arbitrary code execution. This update addresses the issue through improved error handling. Credit to Charlie Miller of Independent Security Evaluators, and Collin Mulliner of Technical University Berlin for reporting this issue.