ffmpeg | branch: release/4.3 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Sep 22 23:15:35 2024 +0200| [3c005e89b208f2096f826af491d5ea2a52da2d92] | committer: Michael Niedermayer
avcodec/xan: Add basic input size check Fixes: Timeout Fixes: 71739/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XAN_WC3_fuzzer-6170301405134848 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpe Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 56bef2fd58d0ed30dbe940083c30ada2b0404491) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3c005e89b208f2096f826af491d5ea2a52da2d92 --- libavcodec/xan.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/xan.c b/libavcodec/xan.c index 1ccf164847..c8f098d17c 100644 --- a/libavcodec/xan.c +++ b/libavcodec/xan.c @@ -614,6 +614,9 @@ static int xan_decode_frame(AVCodecContext *avctx, return AVERROR_INVALIDDATA; } + if (buf_size < 9) + return AVERROR_INVALIDDATA; + if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) 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".
