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							-   o Major bugfixes:
 
-     - Reject bogus create and relay cells with 0 circuit ID or 0 stream
 
-       ID: these could be used to create unexpected streams and circuits
 
-       which would count as "present" to some parts of Tor but "absent"
 
-       to others, leading to zombie circuits and streams or to a
 
-       bandwidth DOS. Fixes bug 7889; bugfix on every released version of
 
-       Tor. Reported by "oftc_must_be_destroyed".
 
 
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