Michael Jumper created GUACAMOLE-184:
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Summary: guac_common_surface_dup() may send invalid PNG
Key: GUACAMOLE-184
URL: https://issues.apache.org/jira/browse/GUACAMOLE-184
Project: Guacamole
Issue Type: Bug
Components: guacamole-server
Reporter: Michael Jumper
Assignee: Michael Jumper
{{guac_common_surface_dup()}} fails to check whether the dimensions of the
surface are 0x0. Though this is a perfectly valid state for a surface, it is
not possible to send a 0x0 image (nor does it really make sense to try); the
PNG encoding functions fail, producing an invalid Guacamole instruction and
breaking the protocol stream.
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