ffmpeg | branch: release/4.1 | Michael Niedermayer <mich...@niedermayer.cc> | Thu Jun 13 16:08:03 2019 +0200| [c0e3f54ec061629d79549ee4855c8b4f844d3ad1] | committer: Michael Niedermayer
avcodec/fitsdec: Fix division by 0 in size check Fixes: division by zero Fixes: 15210/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5746033243455488 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 07ffe94c172041cfb03109b9bb6b8bf577332bda) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c0e3f54ec061629d79549ee4855c8b4f844d3ad1 --- libavcodec/fitsdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/fitsdec.c b/libavcodec/fitsdec.c index b0753813c9..67a8bd71f4 100644 --- a/libavcodec/fitsdec.c +++ b/libavcodec/fitsdec.c @@ -143,7 +143,7 @@ static int fits_read_header(AVCodecContext *avctx, const uint8_t **ptr, FITSHead size = abs(header->bitpix) >> 3; for (i = 0; i < header->naxis; i++) { - if (header->naxisn[i] > SIZE_MAX / size) { + if (size && header->naxisn[i] > SIZE_MAX / size) { av_log(avctx, AV_LOG_ERROR, "unsupported size of FITS image"); return AVERROR_INVALIDDATA; } _______________________________________________ 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".
