In Xpdf 4.05 (and earlier), invalid header info in a DCT (JPEG) stream can lead to an uninitialized variable in the DCT decoder. Rated low severity (CVSS 2.1), this vulnerability is no authentication required. No vendor patch available.
In Xpdf 4.05 (and earlier), very large coordinates in a page box can cause an integer overflow and divide-by-zero. Rated low severity (CVSS 2.1), this vulnerability is no authentication required. No vendor patch available.
In Xpdf 4.05 (and earlier), a PDF object loop in a pattern resource leads to infinite recursion and a stack overflow. Rated low severity (CVSS 2.1), this vulnerability is no authentication required. No vendor patch available.