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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-06-21 22:59:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-08 21:31:50 +0200 |
| commit | 8f0d442434436787c1e96152f46f4a41bf08a11b (patch) | |
| tree | 0b42746aad41472a256b5ef7115ddfd29edd7d16 | |
| parent | 7b5308045e16954e2bf9b5b51516d98a53872101 (diff) | |
| download | ffmpeg-8f0d442434436787c1e96152f46f4a41bf08a11b.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 5f12a99a83..435834d617 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; |