diff options
Diffstat (limited to 'ares_parse_mx_reply.c')
-rw-r--r-- | ares_parse_mx_reply.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/ares_parse_mx_reply.c b/ares_parse_mx_reply.c index 32d3af4..95400dd 100644 --- a/ares_parse_mx_reply.c +++ b/ares_parse_mx_reply.c @@ -100,6 +100,11 @@ ares_parse_mx_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 MX record */ if (rr_class == C_IN && rr_type == T_MX) |