fix: update dovecot checker (#4419)

Update dovecot pattern to catch version with 4 digits

Signed-off-by: Fabrice Fontaine <[email protected]>

Author: ffontaine

cve_bin_tool/checkers/dovecot.py

@@ -24,7 +24,7 @@ class DovecotChecker(Checker):
     ]
     FILENAME_PATTERNS = [r"dovecot"]
     VERSION_PATTERNS = [
-        r"Dovecot v([0-9]+\.[0-9]+\.[0-9]+)",
-        r"DOVECOT_VERSION=([0-9]+\.[0-9]+\.[0-9]+)",
+        r"Dovecot v([0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?)",
+        r"DOVECOT_VERSION=([0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?)",
     ]
     VENDOR_PRODUCT = [("dovecot", "dovecot")]

test/condensed-downloads/dovecot-core_2.3.21.1%2Bdfsg1-1_arm64.deb.tar.gz

@@ -7,6 +7,11 @@
         "version": "2.2.11",
         "version_strings": ["Dovecot v2.2.11", "DOVECOT_VERSION=2.2.11"],
     },
+    {
+        "product": "dovecot",
+        "version": "2.3.21.1",
+        "version_strings": ["Dovecot v2.3.21.1", "DOVECOT_VERSION=2.3.21.1"],
+    },
 ]
 package_test_data = [
     {
@@ -33,4 +38,10 @@
         "product": "dovecot",
         "version": "2.3.13",
     },
+    {
+        "url": "http://ftp.fr.debian.org/debian/pool/main/d/dovecot/",
+        "package_name": "dovecot-core_2.3.21.1%2Bdfsg1-1_arm64.deb",
+        "product": "dovecot",
+        "version": "2.3.21.1",
+    },
 ]