Affected libraries and CVE Ids libX11 - insufficient validation of data from the X server can cause out of boundary memory read (XGetImage()) or write (XListFonts()). Affected versions libX11 <= 1.6.3 libXfixes - insufficient validation of data from the X server can cause an integer overflow on 32 bit architectures. Affected versions : libXfixes <= 5.0.2 libXi - insufficient validation of data from the X server can cause out of boundary memory access or endless loops (Denial of Service). Affected versions libXi <= 1.7.6 libXrandr - insufficient validation of data from the X server can cause out of boundary memory writes. Affected versions: libXrandr <= 1.5.0 libXrender - insufficient validation of data from the X server can cause out of boundary memory writes. Affected version: libXrender <= 0.9.9 XRecord - insufficient validation of data from the X server can cause out of boundary memory access or endless loops (Denial of Service). Affected version libXtst <= 1.2.2 libXv - insufficient validation of data from the X server can cause out of boundary memory and memory corruption. CVE-2016-5407 affected versions libXv <= 1.0.10 libXvMC - insufficient validation of data from the X server can cause a one byte buffer read underrun. Affected versions: libXvMC <= 1.0.9 Source: https://lists.freedesktop.org/archives/xorg/2016-October/058344.html
*** This bug has been marked as a duplicate of bug 596182 ***