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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-21 03:15:53 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-02 00:28:59 +0100 |
| commit | abff307736fba32305e3b0ac669d62020013a174 (patch) | |
| tree | 85db9945b59bc4a186752d9d99440271a3238824 | |
| parent | 50b22648100e2fa77c798ac770967982d841d04d (diff) | |
| download | ffmpeg-abff307736fba32305e3b0ac669d62020013a174.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 d9d67b0fe4..eff809aafc 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -2140,7 +2140,7 @@ 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", |