From cdc0394392e353e494d84fec4a13f61ed93410fa Mon Sep 17 00:00:00 2001 From: John Thacker Date: Sun, 12 Apr 2026 07:18:11 -0400 Subject: [PATCH] Openflow v6: Add a length check for OFPBPT_TIME Add a length zero similar to the other types. Fix #21181 AI-Assisted: no (cherry picked from commit c8b105293591f7f38944c0f00fd7dd848b4f7ff0) Co-authored-by: John Thacker --- epan/dissectors/packet-openflow_v6.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/epan/dissectors/packet-openflow_v6.c b/epan/dissectors/packet-openflow_v6.c index 4738a69ca73..118a1b31736 100644 --- a/epan/dissectors/packet-openflow_v6.c +++ b/epan/dissectors/packet-openflow_v6.c @@ -6398,6 +6398,11 @@ dissect_openflow_bundle_prop_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *t switch (prop_type) { case OFPBPT_TIME: + if (prop_len <= 4) { + expert_add_info(pinfo, prop_item, &ei_openflow_v6_length_too_short); + offset = length; + break; + } dissect_openflow_time_v6(tvb, pinfo, tree, offset, length); offset += prop_len - 4; break; -- GitLab