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Linshizhi
ffmpeg.wasm-core
Commits
6ea27157
Commit
6ea27157
authored
Nov 15, 2016
by
Michael Niedermayer
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avcodec/movtextdec: Fix potential integer overflow
Signed-off-by:
Michael Niedermayer
<
michael@niedermayer.cc
>
parent
0edd5694
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movtextdec.c
libavcodec/movtextdec.c
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libavcodec/movtextdec.c
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6ea27157
...
@@ -485,7 +485,7 @@ static int mov_text_decode_frame(AVCodecContext *avctx,
...
@@ -485,7 +485,7 @@ static int mov_text_decode_frame(AVCodecContext *avctx,
m
->
size_var
=
8
;
m
->
size_var
=
8
;
//size_var is equal to 8 or 16 depending on the size of box
//size_var is equal to 8 or 16 depending on the size of box
if
(
m
->
tracksize
+
tsmb_size
>
avpkt
->
size
)
if
(
tsmb_size
>
avpkt
->
size
-
m
->
track
size
)
break
;
break
;
for
(
size_t
i
=
0
;
i
<
box_count
;
i
++
)
{
for
(
size_t
i
=
0
;
i
<
box_count
;
i
++
)
{
...
...
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