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7.5

Opera browser may run malicious code from crafted JPEG

CVE-2006-3198 · published 20 years ago
Summary

Older versions of the Opera web browser can be tricked by a specially crafted JPEG image. The image’s unusually large dimensions cause the browser to allocate too little memory, allowing attackers to run their own code on the visitor’s computer. Upgrade the browser to a newer version or use an alternative safe browsing solution.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
opera opera_browser <= 8.5.4
cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*
Original advisory text
Integer overflow in Opera 8.54 and earlier allows remote attackers to execute arbitrary code via a JPEG image with large height and width values, which causes less memory to be allocated than inten...
Integer overflow in Opera 8.54 and earlier allows remote attackers to execute arbitrary code via a JPEG image with large height and width values, which causes less memory to be allocated than intended.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
6% chance of attack within 30 days
Type
CWE-190Integer Overflow
Timeline
Published23 Jun 2006
Updated1 Nov 2026
First seen29 Sep 2026
Sources
CVE-2006-3198 · NVD
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