1 files changed, 29 insertions, 0 deletions
diff --git a/net-libs/libetpan/files/libetpan-1.9.4-CVE-2022-4121.patch b/net-libs/libetpan/files/libetpan-1.9.4-CVE-2022-4121.patch
new file mode 100644
index 000000000000..2d97ac8e972e
--- /dev/null
+++ b/net-libs/libetpan/files/libetpan-1.9.4-CVE-2022-4121.patch
@@ -0,0 +1,29 @@
+From 5c9eb6b6ba64c4eb927d7a902317410181aacbba Mon Sep 17 00:00:00 2001
+From: Hoa Dinh <hoa@dinhvh.me>
+Date: Mon, 19 Dec 2022 08:16:32 -0800
+Subject: [PATCH] Fixed crash when st_info_list is NULL. Fixes #420. Fixes
+ CVE-2022-4121.
+
+---
+ src/low-level/imap/mailimap_types.c | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/src/low-level/imap/mailimap_types.c b/src/low-level/imap/mailimap_types.c
+index 9923125c..79a0cc23 100644
+--- a/src/low-level/imap/mailimap_types.c
++++ b/src/low-level/imap/mailimap_types.c
+@@ -1389,9 +1389,11 @@ void
+ mailimap_mailbox_data_status_free(struct mailimap_mailbox_data_status * info)
+ {
+   mailimap_mailbox_free(info->st_mailbox);
+-  clist_foreach(info->st_info_list, (clist_func) mailimap_status_info_free,
+-		 NULL);
+-  clist_free(info->st_info_list);
++  if (info->st_info_list != NULL) {
++    clist_foreach(info->st_info_list, (clist_func) mailimap_status_info_free,
++      NULL);
++    clist_free(info->st_info_list);
++  }
+   free(info);
+ }
+