CVE-2005-4718: Opera Browser

Medium severity, CVSS 5.0. EPSS: 10.2% chance of exploitation in the next 30 days.

Opera 8.02 and earlier allows remote attackers to cause a denial of service (client crash) via (1) a crafted HTML file with a "content: url(0);" style attribute, a "bodyA" tag, a long string, and a "u" tag with a long attribute, as demonstrated by opera.html; and (2) a BGSOUND element with a "margin:-99;" STYLE attribute.

Affected products

• Opera Opera Browser: up to and including 8.02

Published 2005-12-31. Last modified 2026-06-16.