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Fix bug #77370 - check that we do not read past buffer end when parsing multibytes

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This commit is contained in:
Stanislav Malyshev 2018-12-29 19:51:24 -08:00
parent a918020c03
commit 20407d06ca
2 changed files with 22 additions and 0 deletions
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13
ext/mbstring/tests/bug77370.phpt Normal file
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--TEST--
Bug #77370 (Buffer overflow on mb regex functions - fetch_token)
--SKIPIF--
<?php extension_loaded('mbstring') or die('skip mbstring not available'); ?>
--FILE--
<?php
var_dump(mb_split(" \xfd",""));
?>
--EXPECT--
array(1) {
[0]=>
string(0) ""
}