diff options
| -rw-r--r-- | libavcodec/snappy.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/snappy.c b/libavcodec/snappy.c index 7900b0f978..f5c4c6578b 100644 --- a/libavcodec/snappy.c +++ b/libavcodec/snappy.c @@ -39,6 +39,8 @@ static int64_t bytestream2_get_levarint(GetByteContext *gb) do { tmp = bytestream2_get_byte(gb); + if (shift > 31 || ((tmp & 127LL) << shift) > INT_MAX) + return AVERROR_INVALIDDATA; val |= (tmp & 127) << shift; shift += 7; } while (tmp & 128); |