The ff_vc1_mc_4mv_chroma4 function in libavcodec/vc1_mc.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.
The product dereferences a pointer that it expects to be valid but is NULL.
Link | Tags |
---|---|
https://bugzilla.libav.org/show_bug.cgi?id=1101 | issue tracking exploit |