Security updates for Monday

Debian has updated tiff (code
execution).

Fedora has updated weechat (F17; F16: code
execution), libproxy (F17: code execution)
and ruby (F17: denial of service).

Mageia has updated weechat (code
execution), ffmpeg (multiple unspecified
vulnerabilities) and libtiff (code
execution).

Mandriva has updated libproxy (code
execution).

SUSE has updated xen (multiple
vulnerabilities), java-1_5_0-ibm (multiple
vulnerabilities) and java-1_4_2-ibm
(multiple vulnerabilities).