Specially crafted Java applets can crash Opera – Opera Security Advisories


A specially crafted Java applet can cause Opera to crash.

Severity: Not exploitable

Problem description

Java code using LiveConnect methods to remove a property of aJavaScript object may in some cases use null pointers that canmake Opera crash. This crash is not exploitable and such code israre on the web.

Opera’s response

Opera Software has released version 8.51, where this bug is fixed.


Thanks to Marc Schönefeld for informing us about this crash.