diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 8c93add6e5..140acb00cd 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -308,6 +308,11 @@ static int get_siz(Jpeg2000DecoderContext *s) return AVERROR_INVALIDDATA; } + if (s->image_offset_x >= s->width || s->image_offset_y >= s->height) { + av_log(s->avctx, AV_LOG_ERROR, "image offsets outside image"); + return AVERROR_INVALIDDATA; + } + if (s->reduction_factor && (s->image_offset_x || s->image_offset_y) ){ av_log(s->avctx, AV_LOG_ERROR, "reduction factor with image offsets is not fully implemented"); return AVERROR_PATCHWELCOME;