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    CVE-2016-2074

    Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before 2.3.3 and 2.4.x before 2.4.1 allows remote attackers to execute arbitrary code via crafted MPLS packets, as demonstrated by a long string in an ovs-appctl command.

    Published:Mar 28, 2016
    Last Modified:Apr 12, 2025
    EPS:Jul 3, 2016
    EPSS Score:0.04808
    CVSS Score:9.8

    Affected Products

    Vendor
    Openvswitch
    Product
    Openvswitch
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openstack

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-31679 (CVSS 7.1) — In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/set_masked…
    CVE-2023-3966 (CVSS 7.5) — A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may r…
    CVE-2024-22563 (CVSS 7.5) — openvswitch 2.17.8 was discovered to contain a memory leak via the function xmalloc__ in openvswitch-2.17.8/li…
    CVE-2023-5366 (CVSS 7.1) — A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to…
    CVE-2022-4337 (CVSS 9.8) — An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.…
    CVE-2022-4338 (CVSS 9.8) — An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.…
    CVE-2019-25076 (CVSS 5.8) — The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to…
    CVE-2022-0669 (CVSS 6.5) — A flaw was found in dpdk. This flaw allows a malicious vhost-user master to attach an unexpected number of fds…
    CVE-2021-3905 (CVSS 7.5) — A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could …
    CVE-2021-36980 (CVSS 5.5) — Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called fr…

    References

    http://openvswitch.org/pipermail/announce/2016-March/000082.html
    http://openvswitch.org/pipermail/announce/2016-March/000083.html
    http://rhn.redhat.com/errata/RHSA-2016-0523.html
    http://rhn.redhat.com/errata/RHSA-2016-0524.html
    http://rhn.redhat.com/errata/RHSA-2016-0537.html
    http://www.debian.org/security/2016/dsa-3533
    http://www.securityfocus.com/bid/85700
    https://access.redhat.com/errata/RHSA-2016:0615
    https://bugzilla.redhat.com/show_bug.cgi?id=1318553
    https://security-tracker.debian.org/tracker/CVE-2016-2074
    https://security.gentoo.org/glsa/201701-07
    https://support.citrix.com/article/CTX232655
    http://openvswitch.org/pipermail/announce/2016-March/000082.html
    http://openvswitch.org/pipermail/announce/2016-March/000083.html
    http://rhn.redhat.com/errata/RHSA-2016-0523.html
    http://rhn.redhat.com/errata/RHSA-2016-0524.html
    http://rhn.redhat.com/errata/RHSA-2016-0537.html
    http://www.debian.org/security/2016/dsa-3533
    http://www.securityfocus.com/bid/85700
    https://access.redhat.com/errata/RHSA-2016:0615
    https://bugzilla.redhat.com/show_bug.cgi?id=1318553
    https://security-tracker.debian.org/tracker/CVE-2016-2074
    https://security.gentoo.org/glsa/201701-07
    https://support.citrix.com/article/CTX232655

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High