diff options
| -rw-r--r-- | print-isoclns.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/print-isoclns.c b/print-isoclns.c index b5943cc7..3859c8ff 100644 --- a/print-isoclns.c +++ b/print-isoclns.c @@ -1921,10 +1921,14 @@ isis_print_ip_reach_subtlv(netdissect_options *ndo, algo = GET_U_1(tptr+1); if (flags & ISIS_PREFIX_SID_FLAG_V) { + if (subl < 5) + goto trunc; sid = GET_BE_U_3(tptr+2); tptr+=5; subl-=5; } else { + if (subl < 6) + goto trunc; sid = GET_BE_U_4(tptr+2); tptr+=6; subl-=6; |