# CVE-2021-36980: openvswitch-common: Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpa...

CVE-2021-36980 is fixed in 9 products on 1 platform, first by openvswitch-common 2.13.3-0ubuntu0.20.04.2, released July 20, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-36980
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0118
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 20, 2021

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | openvswitch-common Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [openvswitch-common 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-common-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |
| Linux | openvswitch-pki Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [openvswitch-pki 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-pki-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |
| Linux | openvswitch-source Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [openvswitch-source 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-source-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |
| Linux | openvswitch-switch Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [openvswitch-switch 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-switch-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |
| Linux | openvswitch-switch-dpdk Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [openvswitch-switch-dpdk 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-switch-dpdk-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |
| Linux | openvswitch-test Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [openvswitch-test 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-test-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |
| Linux | openvswitch-testcontroller Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [openvswitch-testcontroller 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-testcontroller-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |
| Linux | openvswitch-vtep Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [openvswitch-vtep 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-vtep-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |
| Linux | python3-openvswitch Ubuntu 20.04 LTS (focal) | 2.13.3-0ubuntu0.20.04.2 | [python3-openvswitch 2.13.3-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-openvswitch-2.13.3-0ubuntu0.20.04.2.md) | Jul 20, 2021 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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