diff options
Diffstat (limited to 'src/ext')
| -rw-r--r-- | src/ext/eventdns.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/ext/eventdns.c b/src/ext/eventdns.c index 66280cccdb..a64c5627b6 100644 --- a/src/ext/eventdns.c +++ b/src/ext/eventdns.c @@ -842,10 +842,11 @@ name_parse(u8 *packet, int length, int *idx, char *name_out, size_t name_out_len } if (label_len > 63) return -1; if (cp != name_out) { - if (cp + 1 >= end) return -1; + if (cp >= name_out + name_out_len - 1) return -1; *cp++ = '.'; } - if (cp + label_len >= end) return -1; + if (label_len > name_out_len || + cp >= name_out + name_out_len - label_len) return -1; memcpy(cp, packet + j, label_len); cp += label_len; j += label_len; |