diff options
| author | Michael Niedermayer <[email protected]> | 2020-11-10 23:01:12 +0100 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2021-02-02 14:18:21 +0100 |
| commit | 5eca6df648ba08f2d6d0f1cdcc79be3f1162ef2b (patch) | |
| tree | f495bf82358ceb8a72b213bb24e4d48f1ed11906 | |
| parent | 19ec9d0dda90819a03bf689165fb72c84fdef1bd (diff) | |
avformat/aiffdec: Check size before subtraction in get_aiff_header()
Fixes: Infinite loop
Fixes: 27235/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-5761398380167168
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit 8af299acde9601e64740b75430960503615873b4)
Signed-off-by: Michael Niedermayer <[email protected]>
| -rw-r--r-- | libavformat/aiffdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index 15733478e1..4d1c9bbb53 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -120,6 +120,8 @@ static int get_aiff_header(AVFormatContext *s, int size, else sample_rate = (val + (1ULL<<(-exp-1))) >> -exp; par->sample_rate = sample_rate; + if (size < 18) + return AVERROR_INVALIDDATA; size -= 18; /* get codec id for AIFF-C */ |