CVE-2012-4143: Opera Browser

Medium severity, CVSS 6.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog, a different vulnerability than CVE-2012-1924.

Affected products

• Opera Opera Browser: up to and including 12.00; version 12.00 only; up to and including 11.65; version 10.00 only; version 10.01 only; version 10.10 only; …

Published 2012-08-06. Last modified 2026-06-16.