CVE-2011-0682

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-01-31 · updated 2026-06-16
Weakness: CWE-119

Description

Integer truncation error in opera.dll in Opera before 11.01 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via an HTML form with a select element that contains a large number of children.

Affected products

Opera Browser: through 11.00; 5.0, 5.0-beta2, 5.0-beta3, 5.0-beta4, 5.0-beta5, 5.0-beta6 (+106)

References

http://osvdb.org/70728
http://secunia.com/advisories/43023
http://www.opera.com/docs/changelogs/mac/1101/
http://www.opera.com/docs/changelogs/unix/1101/
http://www.opera.com/docs/changelogs/windows/1101/
http://www.opera.com/support/kb/view/982/
http://www.securityfocus.com/bid/46036
http://www.vupen.com/english/advisories/2011/0231
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12636
https://www.alternativ-testing.fr/blog/index.php?post/2011/%5BCVE-XXXX-XXXX%5D-Opera-11-Integer-Truncation-Vulnerability
http://osvdb.org/70728
http://secunia.com/advisories/43023

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