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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-06-21 22:59:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-06 14:41:41 +0200 |
| commit | 74c4d2bfd7bfaa86153751e922382e15f3e9a784 (patch) | |
| tree | 29b43ae6305b8beb7c842a8bac27729eae20d541 | |
| parent | 152ad3a939118db495236027dcf4732711c7ef07 (diff) | |
| download | ffmpeg-74c4d2bfd7bfaa86153751e922382e15f3e9a784.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 bf09e1a5db..81efd70ea1 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) { frame->decode_error_flags = FF_DECODE_ERROR_INVALID_BITSTREAM; |