Unspecified vulnerability in Opera before 11.50 has unknown impact and attack vectors, related to a "moderately severe issue."
http://www.securityfocus.com/bid/48568
http://www.opera.com/docs/changelogs/windows/1150/
http://www.opera.com/docs/changelogs/unix/1150/
http://www.opera.com/docs/changelogs/mac/1150/
Source: Mitre, NVD
Published: 2011-07-01
Updated: 2011-09-07
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H