Fixes: Use of uninitialized memory Fixes: 71444/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5448597561212928
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mxfdec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index 24f4ed1c33d..b232c45f47d 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -671,7 +671,8 @@ static int mxf_decrypt_triplet(AVFormatContext *s, AVPacket *pkt, KLVPacket *klv if (size < 32 || size - 32 < orig_size || (int)orig_size != orig_size) return AVERROR_INVALIDDATA; avio_read(pb, ivec, 16); - avio_read(pb, tmpbuf, 16); + if (avio_read(pb, tmpbuf, 16) != 16) + return AVERROR_INVALIDDATA; if (mxf->aesc) av_aes_crypt(mxf->aesc, tmpbuf, tmpbuf, 1, ivec, 1); if (memcmp(tmpbuf, checkv, 16)) -- 2.46.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
