CVE-2011-3377: Canonical Ubuntu Linux

Medium severity, CVSS 4.3. EPSS: 2.2% chance of exploitation in the next 30 days.

The web browser plug-in in IcedTea-Web 1.0.x before 1.0.6 and 1.1.x before 1.1.4 allows remote attackers to bypass the Same Origin Policy (SOP) and execute arbitrary script or establish network connections to unintended hosts via an applet whose origin has the same second-level domain, but a different sub-domain than the targeted domain.

Affected products

• Canonical Ubuntu Linux: version 10.04 only; version 10.10 only; version 11.04 only; version 11.10 only
• Opensuse Opensuse: version 12.1 only
• Red Hat Icedtea-Web: version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; version 1.0.5 only; …

Published 2014-02-05. Last modified 2026-06-16.