Carlo Contavalli discovered an integer overflow in CFS, a cryptographic filesystem, which allows local users to crash the encryption daemon.
For the stable distribution (sarge) this problem has been fixed in version 1.4.1-15sarge1.
For the unstable distribution (sid) this problem has been fixed in version 1.4.1-17.
We recommend that you upgrade your cfs package.
MD5 checksums of the listed files are available in the original advisory.