EUVD-2026-57376

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper handling of zero-length TCP options...

UBUNTU-CVE-2026-72712

Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parseoptions function in nselib/packet.lua to allocate...

CVE-2026-72712

The CVE-2026-72712 entry documents a denial-of-service in Nmap (

CVE-2026-72712

Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parseoptions function in nselib/packet.lua to allocate...

CVE-1999-0193

Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP option...

CVE-2001-0026

CVE-2001-0026 affects rp-pppoe, a userspace PPPoE client. The issue occurs when a crafted TCP segment uses the Clamp MSS option with a zero-length option, which can cause the client to enter an infinite loop and drop the connection (denial of service). Mandrake/MDKSA-2000:084 notes versions prior...

CVE-1999-0193

Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP option...