Opera Web Browser 'Content-Length' Header Integer Overflow Vulnerability
Opera Web Browser is prone to a remote integer-overflow vulnerability.
Successfully exploiting this issue may allow remote attackers to execute arbitrary code in the context of the application. Failed attacks will likely cause denial-of-service conditions.
Update (March 5, 2010): This issue was originally documented as a buffer-overflow vulnerability; however, Opera reports that this issue cannot be exploited to execute arbitrary code.
Update (March 9, 2010): Opera reports that arbitrary code execution may be possible.
Opera Web Browser for Windows versions 10.10 and 10.50 are vulnerable; other versions may also be affected.