diff --git a/CVE-2021-47154.patch b/CVE-2021-47154.patch
new file mode 100644
index 0000000..bba3b3e
--- /dev/null
+++ b/CVE-2021-47154.patch
@@ -0,0 +1,58 @@
+From 23b6ff0590dc279521863a502e890ef19a5a76fc Mon Sep 17 00:00:00 2001
+From: Stig Palmquist <stig@stig.io>
+Date: Wed, 31 Mar 2021 17:27:31 +0200
+Subject: [PATCH] Security: Prevent leading zeroes in ipv4 octets
+
+This prevents prevents octal ipv4 addresses from being incorrectly
+handled by not supporting leading zeroes.
+
+010.0.0.1 was incorrectly treated as 10.0.0.1, rather than 8.0.0.1
+
+More information is availabe here:
+https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
+---
+ Lite.pm  |  2 +-
+ t/base.t | 13 ++++++++++++-
+ 2 files changed, 13 insertions(+), 2 deletions(-)
+
+diff --git a/Lite.pm b/Lite.pm
+index fd6df73..d44f881 100644
+--- a/Lite.pm
++++ b/Lite.pm
+@@ -181,7 +181,7 @@ sub _pack_ipv4 {
+     my @nums = split /\./, shift(), -1;
+     return unless @nums == 4;
+     for (@nums) {
+-        return unless /^\d{1,3}$/ and $_ <= 255;
++        return unless /^\d{1,3}$/ and !/^0\d{1,2}$/ and $_ <= 255;
+     }
+     pack("CC*", 0, @nums);
+ }
+diff --git a/t/base.t b/t/base.t
+index cf32c5e..292456d 100644
+--- a/t/base.t
++++ b/t/base.t
+@@ -8,7 +8,7 @@
+ use Test;
+ use strict;
+ $|++;
+-BEGIN { plan tests => 39 };
++BEGIN { plan tests => 42 };
+ use Net::CIDR::Lite;
+ ok(1); # If we made it this far, we are ok.
+ 
+@@ -133,3 +133,14 @@ ok(join(', ', @list_short_range), '10.0.0.1-2, 10.0.0.5');
+ })->list_short_range;
+ ok(join(', ', @list_short_range), '10.0.0.250-255, 10.0.1.0-20, 10.0.1.22, 10.0.2.250-255, 10.0.3.0-255, 10.0.4.0-255, 10.0.5.0-8');
+ 
++
++# Tests for vulnerability: https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
++eval { Net::CIDR::Lite->new("010.0.0.0/8") };
++ok($@=~/Can't determine ip format/);
++
++my $err_octal = Net::CIDR::Lite->new;
++eval { $err_octal->add("010.0.0.0/8") };
++ok($@=~/Can't determine ip format/);
++
++eval { $err_octal->add("10.01.0.0/8") };
++ok($@=~/Can't determine ip format/);
diff --git a/perl-Net-CIDR-Lite.spec b/perl-Net-CIDR-Lite.spec
index df0417a..b1018b1 100644
--- a/perl-Net-CIDR-Lite.spec
+++ b/perl-Net-CIDR-Lite.spec
@@ -1,10 +1,12 @@
 Name:           perl-Net-CIDR-Lite
 Version:        0.21
-Release:        23
+Release:        24
 Summary:        Net::CIDR::Lite - Perl extension for merging IPv4 or IPv6 CIDR addresses
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/pod/Net::CIDR::Lite
 Source0:        https://cpan.metacpan.org/authors/id/D/DO/DOUGW/Net-CIDR-Lite-%{version}.tar.gz
+# https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc
+Patch0:         CVE-2021-47154.patch
 
 BuildArch:      noarch
 
@@ -48,5 +50,8 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Tue Mar 19 2024 yaoxin <yao_xin001@hoperun.com> - 0.21-24
+- Fix CVE-2021-47154
+
 * Sat Dec 21 2019 zhouyihang <zhouyihang1@huawei.com> - 0.21-23
 - Package init