Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.Referenceshttp://www.openwall.com/lists/oss-security/2017/01/22/1http://rhn.redhat.com/errata/RHSA-2017-0630.htmlhttps://access.redhat.com/errata/RHSA-2017:2000https://security.gentoo.org/glsa/201702-19https://github.com/TigerVNC/tigervnc/pull/399https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720bahttps://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1http://www.openwall.com/lists/oss-security/2017/01/25/6http://www.securityfocus.com/bid/95789
