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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-10 19:37:57 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-09 13:37:20 +0200 |
| commit | 14a4be8fb4800fbac9e3e9a884527a7b582591a1 (patch) | |
| tree | a79a81bf2958fdcde2bef2447529c2e03c5475ff | |
| parent | 02fd603a182f589128aa7e951d218ad1dd35dd8b (diff) | |
| download | ffmpeg-14a4be8fb4800fbac9e3e9a884527a7b582591a1.tar.gz | |
avcodec/cbs_jpeg: Fix uninitialized end index in cbs_jpeg_split_fragment()
Fixes: Out of array read
Fixes: 24043/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5084566275751936.fuzz
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4a10bc8f6f5d600c44ecb9b43cd9abf13bf3bfae)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cbs_jpeg.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/cbs_jpeg.c b/libavcodec/cbs_jpeg.c index b78c305551..bb1b3f0c87 100644 --- a/libavcodec/cbs_jpeg.c +++ b/libavcodec/cbs_jpeg.c @@ -149,6 +149,7 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx, break; } else if (marker == JPEG_MARKER_SOS) { next_marker = -1; + end = start; for (i = start; i + 1 < frag->data_size; i++) { if (frag->data[i] != 0xff) continue; |