CVE-2004-1201: Opera Browser

Medium severity, CVSS 5.0. EPSS: 3.2% chance of exploitation in the next 30 days.

Opera 7.54 allows remote attackers to cause a denial of service (application crash from memory exhaustion), as demonstrated using Javascript code that continuously creates nested arrays and then sorts the newly created arrays.

Affected products

• Opera Opera Browser: up to and including 7.54

Published 2005-01-10. Last modified 2026-06-16.