An issue was discovered in heif through v3.6.2. A global-buffer-overflow exists in the function HevcDecoderConfigurationRecord::getPicHeight() located in hevcdecoderconfigrecord.cpp. It allows an attacker to cause code Execution.

An issue was discovered in heif through v3.6.2. A global-buffer-overflow exists in the function HevcDecoderConfigurationRecord::getPicWidth() located in hevcdecoderconfigrecord.cpp. It allows an attacker to cause code Execution.

An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the function convertByteStreamToRBSP() located in nalutil.cpp. It allows an attacker to cause Denial of Service.