diff --git a/Tests/Fuzzing/corpus/archive/cab-huffman-uninit.tar b/Tests/Fuzzing/corpus/archive/cab-huffman-uninit.tar
new file mode 100644
index 0000000000..2bcd3fd315
Binary files /dev/null and b/Tests/Fuzzing/corpus/archive/cab-huffman-uninit.tar differ
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_support_format_cab.c b/Utilities/cmlibarchive/libarchive/archive_read_support_format_cab.c
index 56d1c2bff2..594369468d 100644
--- a/Utilities/cmlibarchive/libarchive/archive_read_support_format_cab.c
+++ b/Utilities/cmlibarchive/libarchive/archive_read_support_format_cab.c
@@ -3201,6 +3201,10 @@ lzx_make_huffman_table(struct huffman *hf)
 	bitlen = hf->bitlen;
 	len_avail = hf->len_size;
 	hf->tree_used = 0;
+	/* Initialize table to invalid values */
+	for (i = 0; i < tbl_size; i++) {
+		tbl[i] = (uint16_t)hf->len_size;
+	}
 	for (i = 0; i < len_avail; i++) {
 		uint16_t *p;
 		int len, cnt;