diff options
| author | Michael Niedermayer <[email protected]> | 2021-12-05 22:19:05 +0100 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2022-01-13 22:44:14 +0100 |
| commit | 1c2f1591eb6955960a9c8ea360f4cb6fe3045d61 (patch) | |
| tree | ee8fefce639af4285cddf0c36a63640ae2fc6d96 | |
| parent | e07cf5148eac0a799ff23b7bdec28e5a7ff4639c (diff) | |
avformat/mxfdec: Check for duplicate mxf_read_index_entry_array()
Fixes: memleak
Fixes: 41596/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-6439060204290048
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit 4f44a218e53cd92e64ba10a935bc1e7583c3e218)
Signed-off-by: Michael Niedermayer <[email protected]>
| -rw-r--r-- | libavformat/mxfdec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index f3e9556005..df941dcd69 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -887,6 +887,9 @@ static int mxf_read_index_entry_array(AVIOContext *pb, MXFIndexTableSegment *seg { int i, length; + if (segment->temporal_offset_entries) + return AVERROR_INVALIDDATA; + segment->nb_index_entries = avio_rb32(pb); length = avio_rb32(pb); |