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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-06-21 22:59:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-17 21:34:53 +0200 |
| commit | 26cd140d0c03b08b611907ea23b120af29b3b927 (patch) | |
| tree | 7df4e8608d411aa265b076e92b8a35f55ef5ddb0 | |
| parent | 39cf28ffd609b8879a0e2475c0b16647682cb5f5 (diff) | |
| download | ffmpeg-26cd140d0c03b08b611907ea23b120af29b3b927.tar.gz | |
avcodec/cpia: Fix missing src_size update
Fixes: out of array read
Fixes: 35210/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CPIA_fuzzer-5669199688105984
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 cea05864e65db9a2dc8af82b2c63fb8f03c5f876)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cpia.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/cpia.c b/libavcodec/cpia.c index 72c5803db1..4b345c78d0 100644 --- a/libavcodec/cpia.c +++ b/libavcodec/cpia.c @@ -111,6 +111,7 @@ static int cpia_decode_frame(AVCodecContext *avctx, // Read line length, two byte little endian linelength = AV_RL16(src); src += 2; + src_size -= 2; if (src_size < linelength) { av_frame_set_decode_error_flags(frame, FF_DECODE_ERROR_INVALID_BITSTREAM); |