Lionel Elie Mamane discovered a security vulnerability in capi4hylafax, tools for faxing over a CAPI 2.0 device, that allows remote attackers to execute arbitrary commands on the fax receiving system.
For the stable distribution (sarge) this problem has been fixed in version 01.02.03-10sarge2.
For the unstable distribution (sid) this problem has been fixed in version 01.03.00.99.svn.300-3.
We recommend that you upgrade your capi4hylafax package.
MD5 checksums of the listed files are available in the original advisory.