A vulnerability rated as critical has been identified in Opera 10.50 and prior versions.
The buffer overflow error when processing malformed HTTP “Content-Length:” headers could be exploited by remote attackers to crash an affected browser or execute arbitrary code by tricking a user into visiting a web page hosted on a malicious web server.
Confirmed by VUPEN with Opera version 10.50 on Windows XP SP3.
Reference: http://www.vupen.com/english/advisories/2010/0529
