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archived-php-src/ext/gmp/bug74670.phpt
Nikita Popov c793885b76 Fixed bug #74670
Validate that "C" serialization payload is followed by "}" prior to
calling the unserialize() handler. This mitigates issues caused by
unserialize() not correctly handling strings that are not NUL
terminated. Making sure that there is a "}" at the end avoids the
problem.
2018-07-02 17:27:43 +02:00

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PHP

--TEST--
Bug #74670: Integer Underflow when unserializing GMP and possible other classes
--FILE--
<?php
$str = 'C:3:"GMP":4:{s:6666666666:""}';
var_dump(unserialize($str));
?>
--EXPECTF--
Notice: unserialize(): Error at offset 13 of 29 bytes in %s on line %d
bool(false)