diff --git a/package/nmap/0002-nping-Crypto.cc-fix-build-with-libressl-3.5.0.patch b/package/nmap/0002-nping-Crypto.cc-fix-build-with-libressl-3.5.0.patch
new file mode 100644
index 000000000000..f2bdf5904dd3
--- /dev/null
+++ b/package/nmap/0002-nping-Crypto.cc-fix-build-with-libressl-3.5.0.patch
@@ -0,0 +1,39 @@
+From 4ebea5c1d1a10be0d0165da3b9c0e1fa82c3db3c Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Sat, 21 May 2022 17:51:37 +0200
+Subject: [PATCH] nping/Crypto.cc: fix build with libressl >= 3.5.0
+
+Fix the following build failure with libressl >= 3.5.0:
+
+Crypto.cc: In static member function 'static int Crypto::aes128_cbc_encrypt(u8*, size_t, u8*, u8*, size_t, u8*)':
+Crypto.cc:139:26: error: aggregate 'EVP_CIPHER_CTX ctx' has incomplete type and cannot be defined
+  139 |           EVP_CIPHER_CTX ctx;
+      |                          ^~~
+
+Fixes:
+ - http://autobuild.buildroot.org/results/2e6eebbe2ed8305b88047bc92c19350c1ecada16
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Upstream: https://github.com/nmap/nmap/pull/2480
+---
+ nping/Crypto.cc | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/nping/Crypto.cc b/nping/Crypto.cc
+index 850438352..9f7c88686 100644
+--- a/nping/Crypto.cc
++++ b/nping/Crypto.cc
+@@ -70,7 +70,9 @@
+ #include <openssl/evp.h>
+ #include <openssl/err.h>
+ 
+-#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined LIBRESSL_VERSION_NUMBER
++#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && \
++	((!defined LIBRESSL_VERSION_NUMBER) || \
++	(defined LIBRESSL_VERSION_NUMBER && LIBRESSL_VERSION_NUMBER >= 0x30500000L))
+ #define HAVE_OPAQUE_EVP_PKEY 1
+ #define FUNC_EVP_MD_CTX_init EVP_MD_CTX_reset
+ #define FUNC_EVP_MD_CTX_cleanup EVP_MD_CTX_reset
+-- 
+2.35.1
+