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-rw-r--r--src/helperfuncs.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp
index 779bc94cc..c5cfdd79a 100644
--- a/src/helperfuncs.cpp
+++ b/src/helperfuncs.cpp
@@ -173,6 +173,9 @@ bool InspIRCd::IsValidMask(const std::string &mask)
if (exclamation != 1 || atsign != 1)
return false;
+ if (mask.length() > 250)
+ return false;
+
return true;
}