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-rw-r--r--ares_parse_srv_reply.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/ares_parse_srv_reply.c b/ares_parse_srv_reply.c
index 9f61f19..0739c27 100644
--- a/ares_parse_srv_reply.c
+++ b/ares_parse_srv_reply.c
@@ -105,6 +105,11 @@ ares_parse_srv_reply (const unsigned char *abuf, int alen,
rr_class = DNS_RR_CLASS (aptr);
rr_len = DNS_RR_LEN (aptr);
aptr += RRFIXEDSZ;
+ if (aptr + rr_len > abuf + alen)
+ {
+ status = ARES_EBADRESP;
+ break;
+ }
/* Check if we are really looking at a SRV record */
if (rr_class == C_IN && rr_type == T_SRV)