diff options
Diffstat (limited to 'epan/dissectors/packet-x25.c')
| -rw-r--r-- | epan/dissectors/packet-x25.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/epan/dissectors/packet-x25.c b/epan/dissectors/packet-x25.c index fb2427f07d..666a7138be 100644 --- a/epan/dissectors/packet-x25.c +++ b/epan/dissectors/packet-x25.c @@ -1026,8 +1026,14 @@ dump_facilities(proto_tree *tree, int *offset, tvbuff_t *tvb) } } tmpbuf[i] = 0; - proto_tree_add_text(fac_subtree, tvb, *offset+4, byte1 - 2, - "DTE address : %s", tmpbuf); + if (byte1 < 2) { + proto_tree_add_text(fac_subtree, tvb, 0, 0, + "Bogus byte length : %d", byte1); + return; + } else { + proto_tree_add_text(fac_subtree, tvb, *offset+4, byte1 - 2, + "DTE address : %s", tmpbuf); + } } break; case X25_FAC_CALLING_ADDR_EXT: |