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Fix int overflow in parser #694

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@sylr sylr commented Feb 25, 2025

A maliciously crafted message with a bogus body length could make the parser panic if the body length is close to the int limit.

Fixes #678

A maliciously crafted message with a bogus body length could make the
parser panic if the body length is close to the int limit.

Fixes quickfixgo#678

Signed-off-by: Sylvain Rabot <[email protected]>
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Panic in ParseMessage and newParser()->ReadMessage() due to malformed data
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