TigerVNC: Buffer overflow A buffer overflow in TigerVNC might allow remote attackers to execute arbitrary code. tigervnc 2017-02-20 2017-02-20 606998 remote 1.7.1 1.7.1

TigerVNC is a high-performance VNC server/client.

A buffer overflow vulnerability in ModifiablePixelBuffer::fillRect in vncviewer was found.

A remote attacker, utilizing a malicious VNC server, could execute arbitrary code with the privileges of the user running the client or cause a Denial of Service condition.

There is no known workaround at this time.

All TigerVNC users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/tigervnc-1.7.1"
CVE-2017-5581 whissi whissi