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Linshizhi
ffmpeg.wasm-core
Commits
07219816
Commit
07219816
authored
Apr 04, 2015
by
Carl Eugen Hoyos
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Plain Diff
lavf/mov: Do not overread iTunes metadata.
Fixes ticket #4425.
parent
4b030025
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mov.c
libavformat/mov.c
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libavformat/mov.c
View file @
07219816
...
@@ -342,7 +342,7 @@ retry:
...
@@ -342,7 +342,7 @@ retry:
if
(
c
->
itunes_metadata
&&
atom
.
size
>
8
)
{
if
(
c
->
itunes_metadata
&&
atom
.
size
>
8
)
{
int
data_size
=
avio_rb32
(
pb
);
int
data_size
=
avio_rb32
(
pb
);
int
tag
=
avio_rl32
(
pb
);
int
tag
=
avio_rl32
(
pb
);
if
(
tag
==
MKTAG
(
'd'
,
'a'
,
't'
,
'a'
))
{
if
(
tag
==
MKTAG
(
'd'
,
'a'
,
't'
,
'a'
)
&&
data_size
<=
atom
.
size
)
{
data_type
=
avio_rb32
(
pb
);
// type
data_type
=
avio_rb32
(
pb
);
// type
avio_rb32
(
pb
);
// unknown
avio_rb32
(
pb
);
// unknown
str_size
=
data_size
-
16
;
str_size
=
data_size
-
16
;
...
...
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