VYPR

ipfw

by FreeBSD

CVEs (3)

  • CVE-2025-14769HigMar 9, 2026
    risk 0.49cvss 7.5epss 0.01

    In some cases, the `tcp-setmss` handler may free the packet data and throw an error without halting the rule processing engine. A subsequent rule can then allow the traffic after the packet data is gone, resulting in a NULL pointer dereference. Maliciously crafted packets sent…

  • CVE-2005-2019Jul 5, 2005
    risk 0.00cvss epss 0.01

    ipfw in FreeBSD 5.4, when running on Symmetric Multi-Processor (SMP) or Uni Processor (UP) systems with the PREEMPTION kernel option enabled, does not sufficiently lock certain resources while performing table lookups, which can cause the cache results to be corrupted during…

  • CVE-2001-0969Aug 31, 2001
    risk 0.00cvss epss 0.02

    ipfw in FreeBSD does not properly handle the use of "me" in its rules when point to point interfaces are used, which causes ipfw to allow connections from arbitrary remote hosts.