Toth Andras discovered that the fbgs framebuffer postscript/PDF viewer contains a typo, which prevents the intended filter against malicious postscript commands from working correctly. This might lead to the deletion of user data when displaying a postscript file.
For the stable distribution (sarge) this problem has been fixed in version 2.01-1.2sarge2.
For the unstable distribution (sid) this problem will be fixed soon.
We recommend that you upgrade your fbi package.
MD5 checksums of the listed files are available in the original advisory.