CVE-2011-2635

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-07-01 · updated 2026-06-16
Weakness: CWE-399

Description

The Cascading Style Sheets (CSS) implementation in Opera before 11.10 allows remote attackers to cause a denial of service (application crash) via vectors involving use of the :hover pseudo-class, in conjunction with transforms, for a floated element.

Affected products

Opera Browser: through 11.10; 5.0, 5.0-beta2, 5.0-beta3, 5.0-beta4, 5.0-beta5, 5.0-beta6 (+110)

References

http://www.opera.com/docs/changelogs/mac/1110/
http://www.opera.com/docs/changelogs/unix/1110/
http://www.opera.com/docs/changelogs/windows/1110/
http://www.opera.com/docs/changelogs/mac/1110/
http://www.opera.com/docs/changelogs/unix/1110/
http://www.opera.com/docs/changelogs/windows/1110/

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