An exploitable out-of-bounds write vulnerability exists in the igcore19d.dll ICO icoread parser of the Accusoft ImageGear 19.5.0 library. A specially crafted ICO file can cause an out-of-bounds write, resulting in a remote code execution. An attacker needs to provide a malformed file to the victim to trigger the 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.