ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Sat Oct 31 13:51:47 2020 +0100| [f6dc285fb5f30406b275b968ee438a738da799d1] | committer: Michael Niedermayer
avformat/bintext: Check width Fixes: division by 0 Fixes: 26780/clusterfuzz-testcase-minimized-ffmpeg_dem_ADF_fuzzer-5117945027756032 Fixes: 26998/clusterfuzz-testcase-minimized-ffmpeg_dem_ADF_fuzzer-5119352359354368 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f6dc285fb5f30406b275b968ee438a738da799d1 --- libavformat/bintext.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/bintext.c b/libavformat/bintext.c index 144b4172af..bc0f6bd099 100644 --- a/libavformat/bintext.c +++ b/libavformat/bintext.c @@ -293,6 +293,8 @@ static int adf_read_header(AVFormatContext *s) bin->fsize = avio_size(pb) - 1 - 192 - 4096; st->codecpar->width = 80<<3; ff_sauce_read(s, &bin->fsize, &got_width, 0); + if (st->codecpar->width < 8) + return AVERROR_INVALIDDATA; if (!bin->width) calculate_height(st->codecpar, bin->fsize); avio_seek(pb, 1 + 192 + 4096, SEEK_SET); _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
