summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ares_parse_naptr_reply.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/ares_parse_naptr_reply.c b/ares_parse_naptr_reply.c
index 0e37b02..6216ca7 100644
--- a/ares_parse_naptr_reply.c
+++ b/ares_parse_naptr_reply.c
@@ -110,6 +110,12 @@ ares_parse_naptr_reply (const unsigned char *abuf, int alen,
status = ARES_EBADRESP;
break;
}
+ /* RR must contain at least 7 bytes = 2 x int16 + 3 x name */
+ if (rr_len < 7)
+ {
+ status = ARES_EBADRESP;
+ break;
+ }
/* Check if we are really looking at a NAPTR record */
if (rr_class == C_IN && rr_type == T_NAPTR)
@@ -192,4 +198,3 @@ ares_parse_naptr_reply (const unsigned char *abuf, int alen,
return ARES_SUCCESS;
}
-