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Code Issues Releases Activity

avcodec/cpia: Fix missing src_size update

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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>
This commit is contained in:
Michael Niedermayer 2021-06-21 22:59:04 +02:00
parent 9b6158958c
commit 5246201182
1 changed files with 1 additions and 0 deletions
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libavcodec/cpia.c
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@ -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;