Multiple unspecified vulnerabilities in Dia before 0.96.1-6 have unspecified attack vectors and impact, probably involving the use of vulnerable FreeType libraries that contain CVE-2007-2754 and/or CVE-2007-1351.

Integer signedness error in truetype/ttgload.c in Freetype 2.3.4 and earlier might allow remote attackers to execute arbitrary code via a crafted TTF image with a negative n_points value, which leads to an integer overflow and heap-based buffer overflow.