From 1e6ef36db92406f96fe9cc3fa7f75db1cba7254b Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Tue, 10 Aug 2021 10:00:41 +0200
Subject: Conversion::createUTM(): avoid integer overflow. Fixes
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36751

---
 src/iso19111/operation/conversion.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/iso19111/operation/conversion.cpp b/src/iso19111/operation/conversion.cpp
index e2e77562..e884db3c 100644
--- a/src/iso19111/operation/conversion.cpp
+++ b/src/iso19111/operation/conversion.cpp
@@ -331,6 +331,9 @@ Conversion::create(const util::PropertyMap &properties,
  */
 ConversionNNPtr Conversion::createUTM(const util::PropertyMap &properties,
                                       int zone, bool north) {
+    if (zone < 1 || zone > 60) {
+        throw InvalidOperation("Invalid zone number");
+    }
     return create(
         getUTMConversionProperty(properties, zone, north),
         EPSG_CODE_METHOD_TRANSVERSE_MERCATOR,
-- 
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