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Commit 0e7865ce authored by Michael Niedermayer's avatar Michael Niedermayer
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avcodec/mpeg4videodec: Check also for negative versions in the validity check 

Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent 000836c2
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libavcodec/mpeg4videodec.c
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...@@ -2154,7 +2154,7 @@ static int decode_user_data(Mpeg4DecContext *ctx, GetBitContext *gb) ...@@ -2154,7 +2154,7 @@ static int decode_user_data(Mpeg4DecContext *ctx, GetBitContext *gb)
if (e != 4) { if (e != 4) {
e = sscanf(buf, "Lavc%d.%d.%d", &ver, &ver2, &ver3) + 1; e = sscanf(buf, "Lavc%d.%d.%d", &ver, &ver2, &ver3) + 1;
if (e > 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, av_log(s->avctx, AV_LOG_WARNING,
"Unknown Lavc version string encountered, %d.%d.%d; " "Unknown Lavc version string encountered, %d.%d.%d; "
"clamping sub-version values to 8-bits.\n", "clamping sub-version values to 8-bits.\n",
......
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