FFmpeg/libavcodec
Michael Niedermayer 74a211c95f
avcodec/jpeglsdec: Check Jpeg-LS LSE
Fixes: signed integer overflow: 2147478526 + 33924 cannot be represented in type 'int'
Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int'
Fixes: 64243/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-5195717848989696

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 c72a20f01a6122e1832f73801ea5f54b188abea3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:05:54 +02:00
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