ffmpeg | branch: release/7.0 | Michael Niedermayer <mich...@niedermayer.cc> | Thu Jul 24 01:05:40 2025 +0200| [cfcafeba2364035e0952e3cb05a730d3f32af1a6] | committer: Michael Niedermayer
avformat/mxg: clear AV_INPUT_BUFFER_PADDING_SIZE Fixes: use of uninitialized memory Fixes: 427532813/clusterfuzz-testcase-minimized-ffmpeg_dem_MXG_fuzzer-5661938917113856 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 1b12e919cfe3bf69038225794330d14575fb78d0) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cfcafeba2364035e0952e3cb05a730d3f32af1a6 --- libavformat/mxg.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/mxg.c b/libavformat/mxg.c index 23d72ad23b..30fa0c2398 100644 --- a/libavformat/mxg.c +++ b/libavformat/mxg.c @@ -126,6 +126,8 @@ static int mxg_update_cache(AVFormatContext *s, unsigned int cache_size) mxg->cache_size += ret; + memset(mxg->buffer_ptr + mxg->cache_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); + return ret; } _______________________________________________ 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".
