CVE-2007-3929: Opera Browser

High severity, CVSS 9.3. EPSS: 6.5% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the BitTorrent support in Opera before 9.22 allows user-assisted remote attackers to execute arbitrary code via a crafted header in a torrent file, which leaves a dangling pointer to an invalid object.

Affected products

• Opera Opera Browser: before 9.22 (fixed in 9.22)

Published 2007-07-21. Last modified 2026-06-16.