Fix buffer overflow in fontname conversion (Bug#29523)

* src/nsterm.m (ns_xlfd_to_fontname): Fix sscanf format.

Copyright-paperwork-exempt: yes

diff --git a/src/nsterm.m b/src/nsterm.m
index 59a42eed8878adca8bdbe088e95f58d429cc2d29..50e06c94d45a4d5f52618066726e81aecfd645d4 100644 (file)
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -9152,9 +9152,9 @@ ns_xlfd_to_fontname (const char *xlfd)
   const char *ret;
 
   if (!strncmp (xlfd, "--", 2))
-    sscanf (xlfd, "--%*[^-]-%[^-]179-", name);
+    sscanf (xlfd, "--%*[^-]-%179[^-]-", name);
   else
-    sscanf (xlfd, "-%*[^-]-%[^-]179-", name);
+    sscanf (xlfd, "-%*[^-]-%179[^-]-", name);
 
   /* stopgap for malformed XLFD input */
   if (strlen (name) == 0)