ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Apr 16 17:34:16 2023 +0200| [971f208ab36bc9f605a164cd57c5e31aafcfdcec] | committer: Michael Niedermayer
avcodec/tak: Check remaining bits in ff_tak_decode_frame_header() Fixes: out of array access Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-6682195323650048 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 19b66b89da4b4ff086dc1fc79bbf540e82bdbcb4) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=971f208ab36bc9f605a164cd57c5e31aafcfdcec --- libavcodec/tak.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/tak.c b/libavcodec/tak.c index 8aa956b661..7989afbd97 100644 --- a/libavcodec/tak.c +++ b/libavcodec/tak.c @@ -167,6 +167,9 @@ int ff_tak_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb, if (ti->flags & TAK_FRAME_FLAG_HAS_METADATA) return AVERROR_INVALIDDATA; + if (get_bits_left(gb) < 24) + return AVERROR_INVALIDDATA; + skip_bits(gb, 24); return 0; _______________________________________________ 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".
