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patch 9.0.2110: [security]: overflow in ex address parsing
Problem: [security]: overflow in ex address parsing Solution: Verify that lnum is positive, before substracting from LONG_MAX [security]: overflow in ex address parsing When parsing relative ex addresses one may unintentionally cause an overflow (because LONG_MAX - lnum will overflow for negative addresses). So verify that lnum is actually positive before doing the overflow check. Signed-off-by: Christian Brabandt <cb@256bit.org>
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