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author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-21 05:15:53 +0300 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-21 23:24:08 +0300 |
commit | 0e7865ce4152f8b04cda6a698bbee4fd4a94009d (patch) | |
tree | ad3df22a4a7580e72f0ba49f87d2dd0d800dbf7d | |
parent | 000836c2a98e1c6a2867dd9db0371c137609acf0 (diff) |
avcodec/mpeg4videodec: Check also for negative versions in the validity check
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 11d4e08986..69f455e226 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -2154,7 +2154,7 @@ 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", |