CVE-2012-6466

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-01-02 · updated 2026-06-16
Weakness: CWE-200

Description

Opera before 12.10 does not properly handle incorrect size data in a WebP image, which allows remote attackers to obtain potentially sensitive information from process memory by using a crafted image as the fill pattern for a canvas.

Affected products

Opera Browser: through 12.10; 1.00, 2.00, 2.10, 2.10-beta1, 2.10-beta2, 2.10-beta3 (+160)

References

http://www.opera.com/docs/changelogs/unified/1210/
http://www.opera.com/support/kb/view/1035/
http://www.opera.com/docs/changelogs/unified/1210/
http://www.opera.com/support/kb/view/1035/

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