This vulnerability impacts all major Linux vendors. It may
impact every Linux installation on Earth.
Updates are required to zlib and any
packages that were statically built with the zlib code.
(First LWN report: March 14).
LinuxSecurity
describes the vulnerability and coordinated distributor efforts
in detail.
"Packages including X11, rsync, the Linux kernel, QT, mozilla, gcc,
vnc, and many other programs that have the ability to use network
compression are potentially vulnerable."
Updating is recommended.
As always, please proceed with caution when applying updates to
the kernel.