fix: xml2 for android

Partial fix for #5405

Author: EternalDreamer01

cve_bin_tool/checkers/xml2.py

@@ -23,7 +23,7 @@ class Xml2Checker(Checker):
     ]
     FILENAME_PATTERNS = [r"libxml2.so."]
     VERSION_PATTERNS: list[str] = [
-        r"libxml2-([0-9]+\.[0-9]+\.[0-9]+)",
-        r"libxml2.so.([0-9]+\.[0-9]+\.[0-9]+)",
+        r"libxml2(?:-|\.so\.)([0-9]+\.[0-9]+\.[0-9]+)",
+        r"([0-9]+\.[0-9]+\.[0-9]+)[a-z0-9>\-\r\n]*XML_ENTITY_REF_NODE",
     ]
     VENDOR_PRODUCT = [("xmlsoft", "libxml2")]

test/test_data/xml2.py

@@ -6,7 +6,14 @@
         "product": "libxml2",
         "version": "2.9.0",
         "version_strings": ["/libxml2-2.9.0/", "xmlNewElementContent : name != NULL !"],
-    }
+    },
+    {
+        "product": "libxml2",
+        "version": "2.9.9",
+        "version_strings": [
+            "20909-GITv2.9.9-rc2-2-g7c4949afa\n-->\nXML_ENTITY_REF_NODE"
+        ],
+    },
 ]
 package_test_data = [
     {