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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-21 03:15:53 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-01-31 22:56:14 +0100 |
| commit | ea24e70a6a416036d191bb51ca5469679a7c174c (patch) | |
| tree | 898d6915974abbed80662df4382e01e43ffd3f56 | |
| parent | ee13d847a49cbad1f799aa5d9f9917961a1fd7c8 (diff) | |
| download | ffmpeg-ea24e70a6a416036d191bb51ca5469679a7c174c.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 dc556a45b5..7185844922 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -2139,7 +2139,7 @@ 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", |