Integer signedness error in the add_bytes_l2_c function in libavcodec/pngdsp.c in FFmpeg before 2.1 allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted PNG data.

The g2m_init_buffers function in libavcodec/g2meet.c in FFmpeg before 2.1 uses an incorrect ordering of arithmetic operations, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Go2Webinar data.

The get_siz function in libavcodec/jpeg2000dec.c in FFmpeg before 2.1 does not prevent attempts to use non-zero image offsets, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted JPEG2000 data.

The read_header function in libavcodec/ffv1dec.c in FFmpeg before 2.1 does not prevent changes to global parameters, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted FFV1 data.

Multiple integer signedness errors in libavcodec/dsputil.c in FFmpeg before 2.1 allow remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted data.

The rpza_decode_stream function in libavcodec/rpza.c in FFmpeg before 2.1 does not properly maintain a pointer to pixel data, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Apple RPZA data.

The decode_slice_header function in libavcodec/h264.c in FFmpeg before 2.1 incorrectly relies on a certain droppable field, which allows remote attackers to cause a denial of service (deadlock) or possibly have unspecified other impact via crafted H.264 data.

The field_end function in libavcodec/h264.c in FFmpeg before 1.1.2 allows remote attackers to have an unspecified impact via crafted H.264 data, related to an SPS and slice mismatch and an out-of-bounds array access.

libavcodec/huffyuvdec.c in FFmpeg before 1.1.2 allows remote attackers to have an unspecified impact via crafted Huffyuv data, related to an out-of-bounds write and (1) unchecked return codes from the init_vlc function and (2) "len==0 cases."

The decode_slice_header function in libavcodec/h264.c in FFmpeg before 1.1.2 does not properly check when the pixel format changes, which allows remote attackers to have unspecified impact via crafted H.264 video data, related to an out-of-bounds array access.

The gif_copy_img_rect function in libavcodec/gifdec.c in FFmpeg before 1.1.2 performs an incorrect calculation for an "end pointer," which allows remote attackers to have an unspecified impact via crafted GIF data that triggers an out-of-bounds array access.

Multiple integer overflows in the process_frame_obj function in libavcodec/sanm.c in FFmpeg before 1.1.2 allow remote attackers to have an unspecified impact via crafted image dimensions in LucasArts Smush video data, which triggers an out-of-bounds array access.

The av_reallocp_array function in libavutil/mem.c in FFmpeg before 2.0.1 has an unspecified impact and remote vectors related to a "wrong return code" and a resultant NULL pointer dereference.

The kempf_decode_tile function in libavcodec/g2meet.c in FFmpeg before 2.0.1 allows remote attackers to cause a denial of service (out-of-bounds heap write) via a G2M4 encoded file.

libavfilter in FFmpeg before 2.0.1 has unspecified impact and remote vectors related to a crafted "plane," which triggers an out-of-bounds heap write.

The advance_line function in libavcodec/targa.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via crafted Targa image data, related to an out-of-bounds array access.

The old_codec37 function in libavcodec/sanm.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via crafted LucasArts Smush data that has a large size when decoded, related to an out-of-bounds array access.

Multiple integer overflows in the (1) old_codec37 and (2) old_codec47 functions in libavcodec/sanm.c in FFmpeg before 1.1.3 allow remote attackers to have an unspecified impact via crafted LucasArts Smush data, which triggers an out-of-bounds array access.

The ff_add_png_paeth_prediction function in libavcodec/pngdec.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via a crafted PNG image, related to an out-of-bounds array access.

The (1) doubles2str and (2) shorts2str functions in libavcodec/tiff.c in FFmpeg before 1.1.3 allow remote attackers to have an unspecified impact via a crafted TIFF image, related to an out-of-bounds array access.