Denial of service happens when the size of the video is zero bytes and this is opens with the Media Player Classic. This it is due to than the player don't verify the size of the file before being to read header.
[+] Media Player Classic <= 6.4.9.1
[*] Exception caught at 0064023b div ecx
[*] E...
[+] Media Player Classic <= 6.4.9.1
[*] Exception caught at 0064023b div ecx
[*] E...
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