source: https://www.securityfocus.com/bid/64499/info

Hancom Office is prone to a remote heap-based buffer-overflow vulnerability.

An attacker can exploit this issue by enticing an unsuspecting victim to open a malicious '.hml' document file.

Successful exploits will result in the execution of arbitrary code in the context of the affected application. Failed exploit attempts may result in a denial-of-service condition.

Hancom Office 2010 SE 8.5.8 is vulnerable; Other versions may also be affected. 

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