new file mode 100644
@@ -0,0 +1,39 @@
+From 3164a75f2660a5c3537feff9fd8751346cf5ca57 Mon Sep 17 00:00:00 2001
+From: Gabriel Ganne <gabriel.ganne@gmail.com>
+Date: Sun, 21 Jan 2024 09:16:38 +0100
+Subject: [PATCH] add check for empty cidr
+
+This causes tcprewrite to exit with an error instead of crashing.
+
+Fixes: #824
+
+Upstream-Status: Backport
+CVE: CVE-2023-43279
+
+Reference to upstream patch:
+https://github.com/appneta/tcpreplay/pull/860/commits/963842ceca79e97ac3242448a0de94fb901d3560
+
+Signed-off-by: Gabriel Ganne <gabriel.ganne@gmail.com>
+Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>
+---
+ src/common/cidr.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/common/cidr.c b/src/common/cidr.c
+index 687fd04..9afbfec 100644
+--- a/src/common/cidr.c
++++ b/src/common/cidr.c
+@@ -249,6 +249,10 @@ parse_cidr(tcpr_cidr_t **cidrdata, char *cidrin, char *delim)
+ char *network;
+ char *token = NULL;
+
++ if (cidrin == NULL) {
++ errx(-1, "%s", "Unable to parse empty CIDR");
++ }
++
+ mask_cidr6(&cidrin, delim);
+
+ /* first iteration of input using strtok */
+--
+2.25.1
+
@@ -12,6 +12,7 @@ SRC_URI = "https://github.com/appneta/${BPN}/releases/download/v${PV}/${BP}.tar.
file://0001-configure.ac-unify-search-dirs-for-pcap-and-add-lib3.patch \
file://0001-configure.ac-do-not-run-conftest-in-case-of-cross-co.patch \
file://CVE-2023-4256.patch \
+ file://CVE-2023-43279.patch \
"
SRC_URI[sha256sum] = "44f18fb6d3470ecaf77a51b901a119dae16da5be4d4140ffbb2785e37ad6d4bf"