Double-free in stbi__load_gif_main_outofmem in stb_image

CVE-2023-45664

What is CVE-2023-45664?

The stb_image library, a widely used MIT licensed image processing tool, faces a vulnerability stemming from its GIF loading functionality. When a specific crafted GIF file is processed, the 'stbi__load_gif_main_outofmem' function can attempt a double-free of memory due to faulty handling of the 'layers * stride' value. This scenario, mainly occurring in a multi-threaded context, could facilitate exploitation, potentially leading to unauthorized code execution and further system ramifications.

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