diff options
| -rw-r--r-- | libavcodec/agm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/agm.c b/libavcodec/agm.c index b0e8b80f81..2d2092222d 100644 --- a/libavcodec/agm.c +++ b/libavcodec/agm.c @@ -562,7 +562,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, for (int i = 0; i < 3; i++) s->size[i] = bytestream2_get_le32(gbyte); - if (32LL + s->size[0] + s->size[1] + s->size[2] > avpkt->size) + if (s->size[0] < 0 || s->size[1] < 0 || s->size[2] < 0 || + 32LL + s->size[0] + s->size[1] + s->size[2] > avpkt->size) return AVERROR_INVALIDDATA; if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) |