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Diffstat (limited to 'ares_parse_aaaa_reply.c')
-rw-r--r--ares_parse_aaaa_reply.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/ares_parse_aaaa_reply.c b/ares_parse_aaaa_reply.c
index 7731249..a34a307 100644
--- a/ares_parse_aaaa_reply.c
+++ b/ares_parse_aaaa_reply.c
@@ -136,6 +136,12 @@ int ares_parse_aaaa_reply(const unsigned char *abuf, int alen,
rr_len = DNS_RR_LEN(aptr);
rr_ttl = DNS_RR_TTL(aptr);
aptr += RRFIXEDSZ;
+ if (aptr + rr_len > abuf + alen)
+ {
+ free(rr_name);
+ status = ARES_EBADRESP;
+ break;
+ }
if (rr_class == C_IN && rr_type == T_AAAA
&& rr_len == sizeof(struct ares_in6_addr)