This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
libavcodec/hevcdec.c in FFmpeg 4.1.2 mishandles detection of duplicate first slices, which allows remote attackers to cause a denial of service (NULL pointer dereference and out-of-array access) or possibly have unspecified other impact via crafted HEVC data.
CVSS 3.x Severity and Metrics:
CVSS 2.0 Severity and Metrics: