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-rw-r--r--src/smsutil.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/smsutil.c b/src/smsutil.c
index 79794ea5..03d910ac 100644
--- a/src/smsutil.c
+++ b/src/smsutil.c
@@ -1511,6 +1511,9 @@ gboolean sms_udh_iter_init(const struct sms *sms, struct sms_udh_iter *iter)
if (max_len < 3)
return FALSE;
+ if (max_len > 140)
+ return FALSE;
+
/* Must have at least one information-element if udhi is true */
if (hdr[0] < 2)
return FALSE;