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Date: Tue, 8 Dec 2015 18:01:03 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Lian Yihan <>
Subject: CVE request: Qemu: ui: vnc: avoid floating point exception


Qemu emulator built with the VNC display driver support is vulnerable to an 
arithmetic exception flaw. It occurs on the VNC server side while processing 
the 'SetPixleFormat' messages from a client.

A privileged remote client could use this flaw to crash the guest resulting in 

Upstream patch:

This issue was discovered by Mr Lian Yihan of 360 Inc.

Thank you.
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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