fix: fixes out of bounds crash when waku2 is not set (#1895)

waku-org · Aug 8, 2023 · 03363f1 · 03363f1
1 parent c8446ae
commit 03363f1
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/waku/v2/waku_enr/capabilities.nim b/waku/v2/waku_enr/capabilities.nim
@@ -76,6 +76,9 @@ func waku2*(record: TypedRecord): Option[CapabilitiesBitfield] =
   if field.isNone():
     return none(CapabilitiesBitfield)
 
+  if field.get().len != 1:
+    return none(CapabilitiesBitfield)
+
   some(CapabilitiesBitfield(field.get()[0]))
 
 proc supportsCapability*(r: Record, cap: Capabilities): bool =