Make Uncompresed Size validation more strict

in alone_decoder.c.

diff --git a/src/liblzma/common/alone_decoder.c b/src/liblzma/common/alone_decoder.c
index 092047b..91df5bf 100644 (file)
--- a/src/liblzma/common/alone_decoder.c
+++ b/src/liblzma/common/alone_decoder.c
@@ -75,7 +75,8 @@ alone_decode(lzma_coder *coder,
                                                & (UINT32_C(1) << i))
                                        ++count;
 
-                       if (count > 1)
+                       if (count != 1 || coder->options.lzma.dictionary_size
+                                       > LZMA_DICTIONARY_SIZE_MAX)
                                return LZMA_DATA_ERROR;
 
                        coder->pos = 0;