Fixes: heap-buffer-overflow Fixes: 26487/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer-5742553675333632
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/magicyuv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c index ea1f727e5c..e2b7bdd326 100644 --- a/libavcodec/magicyuv.c +++ b/libavcodec/magicyuv.c @@ -267,6 +267,9 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata, const uint8_t *slice = s->buf + s->slices[i][j].start; int flags, pred; + if (s->slices[i][j].size < 2) + return AVERROR_INVALIDDATA; + flags = bytestream_get_byte(&slice); pred = bytestream_get_byte(&slice); -- 2.17.1 _______________________________________________ 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".
