Agostino Sarubbo of Gentoo discovered a heap buffer overflow write in the rzip program (a compression program for large files) when uncompressing maliciously crafted files.

For Debian 8 Jessie, this problem has been fixed in version 2.1-2+deb8u1.

We recommend that you upgrade your rzip packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS