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USN-2091-1: OTR vulnerabilities

29 January 2014

Applications using the OTR secure chat protocol could be made to expose sensitive information over the network.



  • libotr - Off-the-Record Messaging library


This update disables the OTR v1 protocol to prevent protocol downgrade

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04

After a standard system update you need to restart OTR applications to
make all the necessary changes.