CVE-2008-5680: Opera Browser

High severity, CVSS 9.3. EPSS: 7.5% chance of exploitation in the next 30 days.

Multiple buffer overflows in Opera before 9.63 might allow (1) remote attackers to execute arbitrary code via a crafted text area, or allow (2) user-assisted remote attackers to execute arbitrary code via a long host name in a file: URL. NOTE: this might overlap CVE-2008-5178.

Affected products

• Opera Opera Browser: up to and including 9.62; version 1.00 only; version 2.00 only; version 2.10 only; version 2.12 only; version 3.00 only; …

Published 2008-12-19. Last modified 2026-06-16.