A heap-based buffer overflow vulnerability exists in the 'gif2h5' functionality of HDF5 Group libhdf5. A specially-crafted GIF file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
CWE-787 - Out-of-Bounds Write
Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.