ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Sat May 13 15:39:32 2017 +0200| [2171dfae8c065878a2e130390eb78cf2947a5b69] | committer: Michael Niedermayer
avcodec/scpr: Fix multiple runtime error: index 256 out of bounds for type 'unsigned int [256]' Fixes: 1519/clusterfuzz-testcase-minimized-5286680976162816 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2171dfae8c065878a2e130390eb78cf2947a5b69 --- libavcodec/scpr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/scpr.c b/libavcodec/scpr.c index b87c047ab6..46f072c757 100644 --- a/libavcodec/scpr.c +++ b/libavcodec/scpr.c @@ -261,6 +261,9 @@ static int decode_unit(SCPRContext *s, PixelModel *pixel, unsigned step, unsigne break; c++; } + if (x >= 16 || c >= 256) { + return AVERROR_INVALIDDATA; + } if ((ret = s->decode(gb, rc, cumfr, cnt_c, totfr)) < 0) return ret; _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
