From 78a273da0af9c8586947d8e31ffdefb384201f8a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Mon, 10 Feb 2020 17:44:54 +0100
Subject: [PATCH] Merge #79740: libssh2: patch CVE-2019-17498

(cherry picked from commit 4ff2a1641c7fbb429354832b208f5f6a68721b16)
---
 pkgs/development/libraries/libssh2/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/development/libraries/libssh2/default.nix b/pkgs/development/libraries/libssh2/default.nix
index d4205981499c..365c836c9fdb 100644
--- a/pkgs/development/libraries/libssh2/default.nix
+++ b/pkgs/development/libraries/libssh2/default.nix
@@ -14,6 +14,15 @@ stdenv.mkDerivation rec {
   buildInputs = [ openssl zlib ]
     ++ stdenv.lib.optional stdenv.hostPlatform.isMinGW windows.mingw_w64;
 
+  patches = [
+    # not able to use fetchpatch here: infinite recursion
+    (fetchurl {
+      name = "CVE-2019-17498.patch";
+      url = "https://github.com/libssh2/libssh2/pull/402.patch";
+      sha256 = "1n9s2mcz5dkw0xpm3c5x4hzj8bar4i6z0pr1rmqjplhfg888vdvc";
+    })
+  ];
+
   meta = with stdenv.lib; {
     description = "A client-side C library implementing the SSH2 protocol";
     homepage = https://www.libssh2.org;