It was discovered that there was a stack-based buffer overflow when parsing large GECOS fields in cracklib2, a pro-active password checker library.

For Debian 8 Jessie, this problem has been fixed in version 2.9.2-1+deb8u1.

We recommend that you upgrade your cracklib2 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