diff options
Diffstat (limited to 'libavcodec/qdm2.c')
| -rw-r--r-- | libavcodec/qdm2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c index 91c47a8ec2..6acb7d8362 100644 --- a/libavcodec/qdm2.c +++ b/libavcodec/qdm2.c @@ -1819,6 +1819,10 @@ static av_cold int qdm2_decode_init(AVCodecContext *avctx) extradata += 4; s->checksum_size = AV_RB32(extradata); + if (s->checksum_size >= 1U << 28) { + av_log(avctx, AV_LOG_ERROR, "data block size too large (%u)\n", s->checksum_size); + return AVERROR_INVALIDDATA; + } s->fft_order = av_log2(s->fft_size) + 1; s->fft_frame_size = 2 * s->fft_size; // complex has two floats |