diff --git a/src/Makefile.test.include b/src/Makefile.test.include
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -16,6 +16,7 @@
   test/fuzz/blockundo_deserialize \
   test/fuzz/bloomfilter_deserialize \
   test/fuzz/coins_deserialize \
+  test/fuzz/descriptor_parse \
   test/fuzz/diskblockindex_deserialize \
   test/fuzz/eval_script \
   test/fuzz/inv_deserialize \
@@ -293,6 +294,12 @@
 test_fuzz_coins_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
 test_fuzz_coins_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
 
+test_fuzz_descriptor_parse_SOURCES = $(FUZZ_SUITE) test/fuzz/descriptor_parse.cpp
+test_fuzz_descriptor_parse_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_descriptor_parse_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_descriptor_parse_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
+test_fuzz_descriptor_parse_LDADD = $(FUZZ_SUITE_LD_COMMON)
+
 test_fuzz_netaddr_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
 test_fuzz_netaddr_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DNETADDR_DESERIALIZE=1
 test_fuzz_netaddr_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
diff --git a/src/test/fuzz/CMakeLists.txt b/src/test/fuzz/CMakeLists.txt
--- a/src/test/fuzz/CMakeLists.txt
+++ b/src/test/fuzz/CMakeLists.txt
@@ -45,6 +45,7 @@
 endfunction()
 
 add_regular_fuzz_targets(
+	descriptor_parse
 	eval_script
 	script_flags
 	spanparsing
@@ -71,4 +72,4 @@
 	service_deserialize
 	txoutcompressor_deserialize
 	txundo_deserialize
-)
\ No newline at end of file
+)
diff --git a/src/test/fuzz/descriptor_parse.cpp b/src/test/fuzz/descriptor_parse.cpp
new file mode 100644
--- /dev/null
+++ b/src/test/fuzz/descriptor_parse.cpp
@@ -0,0 +1,20 @@
+// Copyright (c) 2009-2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <chainparams.h>
+#include <script/descriptor.h>
+#include <test/fuzz/fuzz.h>
+
+void initialize() {
+    SelectParams(CBaseChainParams::REGTEST);
+}
+
+void test_one_input(const std::vector<uint8_t> &buffer) {
+    const std::string descriptor(buffer.begin(), buffer.end());
+    FlatSigningProvider signing_provider;
+    std::string error;
+    for (const bool require_checksum : {true, false}) {
+        Parse(descriptor, signing_provider, error, require_checksum);
+    }
+}
diff --git a/src/test/fuzz/fuzz.h b/src/test/fuzz/fuzz.h
--- a/src/test/fuzz/fuzz.h
+++ b/src/test/fuzz/fuzz.h
@@ -8,6 +8,7 @@
 #include <cstdint>
 #include <vector>
 
+void initialize();
 void test_one_input(const std::vector<uint8_t> &buffer);
 
 #endif // BITCOIN_TEST_FUZZ_FUZZ_H
diff --git a/src/test/fuzz/fuzz.cpp b/src/test/fuzz/fuzz.cpp
--- a/src/test/fuzz/fuzz.cpp
+++ b/src/test/fuzz/fuzz.cpp
@@ -22,7 +22,8 @@
     return length == 0;
 }
 
-static void initialize() {
+// Default initialization: Override using a non-weak initialize().
+__attribute__((weak)) void initialize() {
     const static auto verify_handle = std::make_unique<ECCVerifyHandle>();
 }