Bug #79951 [Asn->Csd]: Memory leak in str_replace of empty string

Edit report at https://bugs.php.net/bug.php?id=79951&edit=1 ID: 79951 Updated by: nikic@php.net Reported by: changochen1 at gmail dot com Summary: Memory leak in str_replace of empty string -Status: Assigned +Status: Closed Type: Bug Package: Scripting Engine problem PHP Version: 8.0Git-2020-08-10 (Git) Assigned To: nikic Block user comment: N Private report: N New Comment: Automatic comment on behalf of nikita.ppv@gmail.com Revision: http://git.php.net/?p=php-src.git;a=commit;h=9d9dffe60aee0fb469ee0d414eca2a5033a7eafc Log: Fixed bug #79951 Previous Comments: ------------------------------------------------------------------------ [2020-08-11 08:26:43] nikic@php.net Reduced: <?php str_replace([""], [1000], "foo"); ------------------------------------------------------------------------ [2020-08-11 07:15:55] sjon@php.net this seems to have been fixed in 8.0alpha3 already, see https://3v4l.org/2vhhJ#v800alpha1 ------------------------------------------------------------------------ [2020-08-10 22:31:32] changochen1 at gmail dot com Description: ------------ We found a memory leak in PHP. Please refer to the POC. Test script: --------------- <? $a = array ( 4 , 1 , $a , 1 , 1.500000 , 7 , false , 'x' , 'x' , 500 ) ; foreach ( $a as $b ) str_replace ( $GLOBALS , $a , $a ) ; ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=79951&edit=1