Race condition in gdImageStringFTEx (gdftdrawbitmap) in gdft.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash) via unspecified vectors, possibly involving truetype font (TTF) support.
The GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash) via a GIF image that has no global color map.
Array index error in gdgifin.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash and heap corruption) via large color index values in crafted image data, which results in a segmentation fault.