ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Nov 3 11:07:27 2024 +0100| [84569b6c22cb4eda9c682aabeb5f658112126780] | committer: Michael Niedermayer
avformat/icodec: fix integer overflow with nb_pal Fixes: runtime error: signed integer overflow Fixes: 42536949/clusterfuzz-testcase-minimized-fuzzer_loadfile-6199846684393472 Found-by: ossfuzz Reported-by: Kacper Michajlow Tested-by: Kacper Michajlow Reviewed-by: Peter Ross <pr...@xvid.org> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=84569b6c22cb4eda9c682aabeb5f658112126780 --- libavformat/icodec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/icodec.c b/libavformat/icodec.c index afd0c71b1f..b09d0060a6 100644 --- a/libavformat/icodec.c +++ b/libavformat/icodec.c @@ -198,7 +198,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt) AV_WL32(buf + 32, image->nb_pal); } - if (image->nb_pal > INT_MAX / 4 - 14 - 40) + if (image->nb_pal > INT_MAX / 4 - 14 - 40U) return AVERROR_INVALIDDATA; AV_WL32(buf - 4, 14 + 40 + image->nb_pal * 4); _______________________________________________ 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".
