1 files changed, 6 insertions, 1 deletions

diff --git a/uuencode.c b/uuencode.c
index 314eb92f3..feda6a016 100644
--- a/uuencode.c
+++ b/uuencode.c
@@ -57,9 +57,14 @@ uudecode(const char *src, u_char *target, size_t targsize)
 void
 dump_base64(FILE *fp, u_char *data, u_int len)
 {
-        char *buf = xmalloc(2*len);
+        char *buf;;
         int i, n;
 
+        if (len > 65536) {
+                fprintf(fp, "dump_base64: len > 65536\n");
+                return;
+        }
+        buf = xmalloc(2*len);
         n = uuencode(data, len, buf, 2*len);
         for (i = 0; i < n; i++) {
                 fprintf(fp, "%c", buf[i]);