1 files changed, 39 insertions, 0 deletions
diff --git a/meta/recipes-extended/unzip/unzip/CVE-2022-0529.patch b/meta/recipes-extended/unzip/unzip/CVE-2022-0529.patch
new file mode 100644
index 0000000000..1c1e120deb
--- /dev/null
+++ b/meta/recipes-extended/unzip/unzip/CVE-2022-0529.patch
@@ -0,0 +1,39 @@
+https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1010355
+
+CVE: CVE-2022-0529
+Upstream-Status: Inactive-Upstream [need a new release]
+
+diff --git a/process.c b/process.c
+index d2a846e..99b9c7b 100644
+--- a/process.c
++++ b/process.c
+@@ -2507,13 +2507,15 @@ char *wide_to_local_string(wide_string, escape_all)
+   char buf[9];
+   char *buffer = NULL;
+   char *local_string = NULL;
++  size_t buffer_size;
+ 
+   for (wsize = 0; wide_string[wsize]; wsize++) ;
+ 
+   if (max_bytes < MAX_ESCAPE_BYTES)
+     max_bytes = MAX_ESCAPE_BYTES;
+ 
+-  if ((buffer = (char *)malloc(wsize * max_bytes + 1)) == NULL) {
++  buffer_size = wsize * max_bytes + 1;
++  if ((buffer = (char *)malloc(buffer_size)) == NULL) {
+     return NULL;
+   }
+ 
+@@ -2552,7 +2554,11 @@ char *wide_to_local_string(wide_string, escape_all)
+       /* no MB for this wide */
+         /* use escape for wide character */
+         char *escape_string = wide_to_escape_string(wide_string[i]);
+-        strcat(buffer, escape_string);
++        size_t buffer_len = strlen(buffer);
++        size_t escape_string_len = strlen(escape_string);
++        if (buffer_len + escape_string_len + 1 > buffer_size)
++          escape_string_len = buffer_size - buffer_len - 1;
++        strncat(buffer, escape_string, escape_string_len);
+         free(escape_string);
+     }
+   }