ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Oct 18 21:54:14 2020 +0200| [c2ccd76fd000f69e355280b487213fb63821c8aa] | committer: Michael Niedermayer
avcodec/fits: Check bscale Fixes: division by 0 Fixes: 26208/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-6270472117026816 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c2ccd76fd000f69e355280b487213fb63821c8aa --- libavcodec/fits.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/fits.c b/libavcodec/fits.c index ad73ab70de..25c33e06c8 100644 --- a/libavcodec/fits.c +++ b/libavcodec/fits.c @@ -187,6 +187,8 @@ int avpriv_fits_header_parse_line(void *avcl, FITSHeader *header, const uint8_t header->blank = t; header->blank_found = 1; } else if (!strcmp(keyword, "BSCALE") && sscanf(value, "%lf", &d) == 1) { + if (d <= 0) + return AVERROR_INVALIDDATA; header->bscale = d; } else if (!strcmp(keyword, "BZERO") && sscanf(value, "%lf", &d) == 1) { header->bzero = d; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
