GraphicsMagick 1.3.26 has a denial of service issue in ReadXBMImage() in a coders/xbm.c "Read hex image data" version!=10 case that results in the reader not returning; it would cause large amounts of CPU and memory consumption although the crafted file itself does not request it.

GraphicsMagick 1.3.26 has a denial of service issue in ReadJNXImage() in coders/jnx.c whereby large amounts of CPU and memory resources may be consumed although the file itself does not support the requests.

There are lots of memory leaks in the GMCommand function in magick/command.c in GraphicsMagick 1.3.26 that will lead to a remote denial of service attack.

There is an invalid free in the MagickFree function in magick/memory.c in GraphicsMagick 1.3.26 that will lead to a remote denial of service attack.

In GraphicsMagick 1.3.26, a memory leak vulnerability was found in the function ReadMATImage in coders/mat.c.

In GraphicsMagick 1.3.26, an allocation failure vulnerability was found in the function ReadMNGImage in coders/png.c when a small MNG file has a MEND chunk with a large length value.

GraphicsMagick 1.3.26 has a NULL pointer dereference vulnerability in the function SVGStartElement in coders/svg.c.

GraphicsMagick 1.3.26 has a heap-based buffer overflow vulnerability in the function GetStyleTokens in coders/svg.c:314:12.

GraphicsMagick 1.3.26 has a heap-based buffer overflow vulnerability in the function GetStyleTokens in coders/svg.c:311:12.

GraphicsMagick 1.3.26 has a memory leak vulnerability in the function CloneImage in magick/image.c.