Date: Sat, 14 Oct 2006 18:27:01 GMT From: Mark <admin@asarian-host.net> To: "'FreeBSD-Questions Questions'" <freebsd-questions@freebsd.org> Subject: "canary mismatch on efree()" Message-ID: <200610141827.k9EIQvId018475@asarian-host.net>
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Hello, I'm running Apache/1.3.37 (Unix) and PHP/4.4.4 with Suhosin-Patch. All of a sudden I get this in my log: [Sat Oct 14 19:54:32 2006] [error] ALERT - canary mismatch on efree() - heap overflow or double efree detected (attacker '192.168.1.4', file '/www/vhosts/asarian-host.net/htdocs/phpMyAdmin/index.php') This is not good. If a simple thing like phpMyAdmin causes it, then I will have to disable the Suhosin-Patch (which propably means recompiling from scratch, right?). Barring such drastic action, does anyone have a clue how to solve this? Or what's causing it even. Thanks, - Mark
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