libjpeg-turbo null pointer dereference vulnerability

libjpeg-turbo is a JPEG image codec that uses SIMD instructions MMX, SSE2, AVX2, NEON, AltiVec to accelerate baseline JPEG compression and decompression on x86, x86-64, ARM and PowerPC systems. A null pointer dereference vulnerability exists in libjpeg-turbo, which can be exploited to cause a nul...