title: Red Hat Security Advisory: X11 client libraries security, bug fix, and enhancement update
description: libX11: Multiple integer overflows leading to heap-based buffer-overflows libXext: Multiple integer overflows leading to heap-based buffer-overflows libXfixes: Integer overflow leading to heap-based buffer overflow libXi: Multiple integer overflows leading to heap-based buffer-overflows libXinerama: Integer overflow leading to heap-based buffer overflow libXrandr: Multiple integer overflows leading to heap-based bufer overflows libXrender: Multiple integer overflows leading to heap-based bufer overflows libXRes: Multiple integer overflows leading to heap-based bufer overflows libXv: Multiple integer overflows leading to heap-based bufer overflows libXvMC: Multiple integer overflows leading to heap-based buffer overflows libXxf86dga: Multiple integer overflows leading to heap-based buffer overflows libdmx: Multiple integer overflows leading to heap-based bufer overflows libXi: Sign extension issues resulting in heap-based buffer overflow libX11: Multiple Array Index error leading to heap-based OOB write libXi: Multiple Array Index error leading to heap-based OOB write libXvMC: Array Index error leading to heap-based OOB write libXxf86dga: Array Index error leading to heap-based OOB write libXxf86vm: Multiple Array Index error leading to heap-based OOB write libXt: Array Index error leading to heap-based OOB write libXcursor: Integer overflow leading to heap-based buffer overflow libX11: unbounded recursion leading to stack-overflow libXt: Memory corruption due to unchecked use of unchecked function pointers libXp: Integer overflow leading to heap-based buffer overflow libXtst: Integer overflow leading to heap-based buffer overlow libxcb: Integer overflow leading to heap-based buffer overflow libXv: Array Index error leading to heap-based OOB write libX11: buffer overflow in MakeBigReq macro
cpes: cpe:/o:redhat:enterprise_linux:6::client cpe:/o:redhat:enterprise_linux:6::computenode cpe:/o:redhat:enterprise_linux:6::server cpe:/o:redhat:enterprise_linux:6::workstation