CVE-2011-2628

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-07-01 · updated 2026-06-16
Weakness: CWE-20

Description

Opera before 11.11 does not properly implement FRAMESET elements, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to page unload.

Affected products

Opera Browser: through 11.10; 5.0, 5.0-beta2, 5.0-beta3, 5.0-beta4, 5.0-beta5, 5.0-beta6 (+111)

References

http://securityreason.com/securityalert/8425
http://www.opera.com/docs/changelogs/mac/1111/
http://www.opera.com/docs/changelogs/unix/1111/
http://www.opera.com/docs/changelogs/windows/1111/
http://www.opera.com/support/kb/view/992/
http://securityreason.com/securityalert/8425
http://www.opera.com/docs/changelogs/mac/1111/
http://www.opera.com/docs/changelogs/unix/1111/
http://www.opera.com/docs/changelogs/windows/1111/
http://www.opera.com/support/kb/view/992/

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