Dillo: Format string vulnerability — GLSA 200501-11 Dillo is vulnerable to a format string bug, which may result in the execution of arbitrary code. Affected packages Package www-client/dillo on all architectures Affected versions < 0.8.3-r4 Unaffected versions >= 0.8.3-r4 Background Dillo is a small and fast multi-platform web browser based on GTK+. Description Gentoo Linux developer Tavis Ormandy found a format string bug in Dillo's handling of messages in a_Interface_msg(). Impact An attacker could craft a malicious web page which, when accessed using Dillo, would trigger the format string vulnerability and potentially execute arbitrary code with the rights of the user running Dillo. Workaround There is no known workaround at this time. Resolution All Dillo users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/dillo-0.8.3-r4" References CAN-2005-0012