Use After Free Affecting openvswitch package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
1.18% (64th percentile)

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  • Snyk IDSNYK-CENTOS7-OPENVSWITCH-19758172
  • published13 Sept 2026
  • disclosed23 Feb 2021

Introduced: 23 Feb 2021

CVE-2021-36980  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 openvswitch.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openvswitch package and not the openvswitch package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

CVSS Base Scores

version 3.1