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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-21 03:15:53 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-21 21:24:47 +0100 |
| commit | 554dda998c58a5ee88597185569a066ee0a829f1 (patch) | |
| tree | f9835dc793c5ab87edd6db95015db01ce5a056e0 | |
| parent | 8e50cf48663116b9c836de6032cc33d8e884acf6 (diff) | |
| download | ffmpeg-554dda998c58a5ee88597185569a066ee0a829f1.tar.gz | |
avcodec/mpeg4videodec: Check also for negative versions in the validity check
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0e7865ce4152f8b04cda6a698bbee4fd4a94009d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/mpeg4videodec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index 410dbbfa2f..d9d5e27c69 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -2137,7 +2137,7 @@ static int decode_user_data(Mpeg4DecContext *ctx, GetBitContext *gb) if (e != 4) { e = sscanf(buf, "Lavc%d.%d.%d", &ver, &ver2, &ver3) + 1; if (e > 1) { - if (ver > 0xFF || ver2 > 0xFF || ver3 > 0xFF) { + if (ver > 0xFFU || ver2 > 0xFFU || ver3 > 0xFFU) { av_log(s->avctx, AV_LOG_WARNING, "Unknown Lavc version string encountered, %d.%d.%d; " "clamping sub-version values to 8-bits.\n", |