diff options
| -rw-r--r-- | libavcodec/pgssubdec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c index 1cafd9f832..6217c406d9 100644 --- a/libavcodec/pgssubdec.c +++ b/libavcodec/pgssubdec.c @@ -275,6 +275,13 @@ static int parse_object_segment(AVCodecContext *avctx, /* Decode rle bitmap length, stored size includes width/height data */ rle_bitmap_len = bytestream_get_be24(&buf) - 2*2; + if (buf_size > rle_bitmap_len) { + av_log(avctx, AV_LOG_ERROR, + "Buffer dimension %d larger than the expected RLE data %d\n", + buf_size, rle_bitmap_len); + return AVERROR_INVALIDDATA; + } + /* Get bitmap dimensions from data */ width = bytestream_get_be16(&buf); height = bytestream_get_be16(&buf); |