Opera Browser 11.61 and 12.00 RC SVG Denial of Service fuzzing, security, blackbox, tests, Opera, DoS, SVG FMA-2012-001 DSK DSK-359771 Opera 11.61 (1250); 12.00 RC http://www.opera.com Opera.dll 12.0.1454.0 81311d2b76a32e913a721ba9eab93b48 Windows XP SP3 Home Edition Windows 7 SP1 Home Premium 2012.01.01 2012.03.21 2012.06.16 Opera Browser null pointer dereference. DoS Calling any function on certain SVG object raises access violation exception because of null pointer dereference. Access violation exception. 63DE3858 |. 8B7B 70 MOV EDI,DWORD PTR DS:[EBX+70] 63DE385B |. 81C7 A4010000 ADD EDI,1A4 63DE3861 |. E8 D30D0400 CALL 63E24639 ; [Opera_dll.63E24639 (...) 63E24667 |. 56 PUSH ESI ; /Arg2 63E24668 |. FF77 0C PUSH DWORD PTR DS:[EDI+0C] ; |Arg1 [FuzzMyApp.com] access violation 63E2466B |. 8BC7 MOV EAX,EDI ; | 63E2466D |. E8 2EB5F9FF CALL 63DBFBA0 ; \Opera_dll.63DBFBA0 image01s.png 100 66 image01.png Access violation when reading Access violation when reading