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Linshizhi
ffmpeg.wasm-core
Commits
1743938d
Commit
1743938d
authored
Sep 11, 2012
by
Martin Storsjö
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rtpdec_jpeg: Disallow using the reserved q values
Signed-off-by:
Martin Storsjö
<
martin@martin.st
>
parent
1de9317b
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rtpdec_jpeg.c
libavformat/rtpdec_jpeg.c
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libavformat/rtpdec_jpeg.c
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1743938d
...
...
@@ -304,6 +304,10 @@ static int jpeg_parse_packet(AVFormatContext *ctx, PayloadContext *jpeg,
qtable_len
=
jpeg
->
qtables_len
[
q
-
128
];
}
}
else
{
/* q <= 127 */
if
(
q
==
0
||
q
>
99
)
{
av_log
(
ctx
,
AV_LOG_ERROR
,
"Reserved q value %d
\n
"
,
q
);
return
AVERROR_INVALIDDATA
;
}
create_default_qtables
(
new_qtables
,
q
);
qtables
=
new_qtables
;
qtable_len
=
sizeof
(
new_qtables
);
...
...
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