Use After Free
In Exiv2 0.26, there is an invalid free in the Image class in image.cpp that leads to a Segmentation fault. A crafted input will lead to a denial of service attack.
CWE-416 - Use After Free
Use-after-free (UaF) vulnerability occurs when the application is using a pointer to memory that has been freed. Any attempt to read/write to a buffer after it is de-allocated allows memory corruption, sensitive information exposure, and can potentially lead to arbitrary code execution.