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SeaMonkey 2.x < 2.7.1 Memory Corruption

High

Synopsis

The remote host has a web browser installed that is affected by a memory corruption vulnerability.

Description

Versions of SeaMonkey 2.x earlier than 2.7.1 are potentially affected by a memory corruption vulnerability. A use-after-free error exists in the method 'nsXBLDocumentInfo::ReadPrototypeBindings' and XBL bindings are not properly removed from a hash table in the event of failure. Clean up processes may then attempt to use this data and cause application crashes. These application crashes are potentially exploitable.

Solution

Upgrade to SeaMonkey 2.7.1 or later.