Use After Free Vulnerabilities in unserialize()

Posted by Taoguang Chen on Sep 07

#Use After Free Vulnerabilities in unserialize()

Taoguang Chen <[@chtg](http://github.com/chtg)> – Write Date:
2015.7.31 – Release Date: 2015.9.4

Affected Versions
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Affected is PHP 5.6 < 5.6.12
Affected is PHP 5.5 < 5.5.28
Affected is PHP 5.4 < 5.4.44

Credits
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This vulnerability was disclosed by Taoguang Chen.

Description
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“`
if (ce->unserialize == NULL) {…