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-rw-r--r--print-domain.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/print-domain.c b/print-domain.c
index 9a2b9e85687b..e29a9b4b0f9b 100644
--- a/print-domain.c
+++ b/print-domain.c
@@ -582,6 +582,13 @@ ns_print(netdissect_options *ndo,
register const u_char *cp;
uint16_t b2;
+ if(length < sizeof(*np)) {
+ ND_PRINT((ndo, "domain"));
+ ND_PRINT((ndo, " [length %u < %zu]", length, sizeof(*np)));
+ ND_PRINT((ndo, " (invalid)"));
+ return;
+ }
+
np = (const HEADER *)bp;
ND_TCHECK(*np);
/* get the byte-order right */