It was discovered that poppler, a PDF rendering library, did not properly handle embedded fonts in PDF files, allowing attackers to execute arbitrary code via a crafted font object.
For the stable distribution (etch), this problem has been fixed in version 0.4.5-5.1etch3.
For the unstable distribution (sid), this problem has been fixed in version 0.8.0-1.
We recommend that you upgrade your poppler package.
MD5 checksums of the listed files are available in the original advisory.