diff options
Diffstat (limited to 'libavcodec/pngdec.c')
| -rw-r--r-- | libavcodec/pngdec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index ceda383..f8b398f 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -542,6 +542,11 @@ static int decode_ihdr_chunk(AVCodecContext *avctx, PNGDecContext *s, return AVERROR_INVALIDDATA; } + if (s->state & PNG_IHDR) { + av_log(avctx, AV_LOG_ERROR, "Multiple IHDR\n"); + return AVERROR_INVALIDDATA; + } + s->width = bytestream2_get_be32(&s->gb); s->height = bytestream2_get_be32(&s->gb); if (av_image_check_size(s->width, s->height, 0, avctx)) { |
