Fixes: out of array read Fixes: 20742/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CDTOONS_fuzzer-5738148607033344
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/cdtoons.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cdtoons.c b/libavcodec/cdtoons.c index dc4fa6bf0b..d5dce6351f 100644 --- a/libavcodec/cdtoons.c +++ b/libavcodec/cdtoons.c @@ -269,7 +269,7 @@ static int cdtoons_decode_frame(AVCodecContext *avctx, void *data, diff_size = bytestream_get_be32(&buf); width = bytestream_get_be16(&buf); height = bytestream_get_be16(&buf); - if (diff_size < 4 || diff_size - 4 > eod - buf) { + if (diff_size < 8 || diff_size - 4 > eod - buf) { av_log(avctx, AV_LOG_WARNING, "Ran (seriously) out of data for Diff frame data.\n"); return AVERROR_INVALIDDATA; } -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
