From 92b2fbaf04b1e518809b3f15b964ede2e946569e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20T=C5=AFma?= <tumic@cbox.cz>
Date: Thu, 17 Apr 2025 07:42:45 +0200
Subject: [PATCH] Fixed ISO8211 parser error handling

---
 src/map/ENC/iso8211.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/map/ENC/iso8211.cpp b/src/map/ENC/iso8211.cpp
index 46f86582..e922c6ae 100644
--- a/src/map/ENC/iso8211.cpp
+++ b/src/map/ENC/iso8211.cpp
@@ -187,6 +187,8 @@ bool ISO8211::readDDA(const FieldDefinition &def, SubFields &fields)
 				SubFieldDefinition sfd(fieldType(typeStr, size));
 				if (sfd.type() == Unknown)
 					return false;
+				if (tag >= tags.size())
+					return false;
 				defs[tag] = sfd;
 				defTags[tag] = tags.at(tag);
 				tag++;