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From "Michael Jumper (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GUACAMOLE-306) VNC may segfault during the connection process
Date Wed, 31 May 2017 04:25:04 GMT

    [ https://issues.apache.org/jira/browse/GUACAMOLE-306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16030615#comment-16030615
] 

Michael Jumper commented on GUACAMOLE-306:
------------------------------------------

Modified the title and description to take into account that this issue is not specific to
the keyboard.

> VNC may segfault during the connection process
> ----------------------------------------------
>
>                 Key: GUACAMOLE-306
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-306
>             Project: Guacamole
>          Issue Type: Bug
>          Components: VNC
>            Reporter: Michael Jumper
>            Assignee: Michael Jumper
>            Priority: Critical
>             Fix For: 0.9.13-incubating
>
>
> Guacamole's VNC implementation assumes that the {{rfbClient}} object will be available
at the time that keyboard or mouse events occur, but this is not guaranteed. That object will
only be available once the VNC connection process has completed.
> Thus, if keys are pressed (or the clipboard contents are sent) while the connection is
not yet ready, the event handler tries to send an event to {{NULL}}, a segfault occurs, and
the Guacamole connection closes.



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