Danny Lungstrom discovered two buffer overflows in pcal, a program to generate Postscript calendars, that could lead to the execution of arbitrary code when compiling a calendar.
For the stable distribution (woody) these problems have been fixed in version 4.7-8woody1.
For the unstable distribution (sid) these problems have been fixed in version 4.8.0-1.
We recommend that you upgrade your pcal package.
MD5 checksums of the listed files are available in the original advisory.