Recently an entry in the NVD DB appeared that looks like that
{'vulnerable': True, 'cpe_name': []}.
As besides all the vulnerable flag no data is present we would get
a KeyError exception on acccess.
Use get method on dictionary and return if no meta data is present

Signed-off-by: Konrad Weihmann <[email protected]>
---
 meta/recipes-core/meta/cve-update-db-native.bb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-core/meta/cve-update-db-native.bb 
b/meta/recipes-core/meta/cve-update-db-native.bb
index 25ec6bac71..1599396c92 100644
--- a/meta/recipes-core/meta/cve-update-db-native.bb
+++ b/meta/recipes-core/meta/cve-update-db-native.bb
@@ -139,7 +139,9 @@ def parse_node_and_insert(c, node, cveId):
         for cpe in node.get('cpe_match', ()):
             if not cpe['vulnerable']:
                 return
-            cpe23 = cpe['cpe23Uri'].split(':')
+            cpe23 = cpe.get('cpe23Uri', '').split(':')
+            if not cpe23:
+                return
             vendor = cpe23[3]
             product = cpe23[4]
             version = cpe23[5]
-- 
2.25.1

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