# CVE-2021-23222: libpq: The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers

CVE-2021-23222 is fixed in 22 products on 1 platform, first by libecpg-compat3 10.19-0ubuntu0.18.04.1, released November 10, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-23222
- Priority: Routine
- CVSS: 5.9 (Low)
- EPSS: 0.0150
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 10, 2021

## Description

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers.   Security Fix(es):  * postgresql: libpq processes unencrypted bytes from man-in-the-middle (CVE-2021-23222)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libecpg-compat3 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [libecpg-compat3 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libecpg-compat3-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | libecpg-compat3 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [libecpg-compat3 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libecpg-compat3-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | libecpg6 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [libecpg6 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libecpg6-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | libecpg6 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [libecpg6 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libecpg6-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | libpgtypes3 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [libpgtypes3 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpgtypes3-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | libpgtypes3 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [libpgtypes3 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpgtypes3-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | libpq RHEL 8 | 0:13.5-1.el8 | [RHSA-2022:1891](https://patchblox.com/security/data/fix/linux/rhsa-2022-1891.md) | May 10, 2022 |
| Linux | libpq almalinux 8 | 13.5-1.el8 | [ALSA-2022:1891](https://patchblox.com/security/data/fix/linux/alsa-2022-1891.md) | May 10, 2022 |
| Linux | libpq ol 8 | 0:13.5-1.el8 | [ELSA-2022-1891](https://patchblox.com/security/data/fix/linux/elsa-2022-1891.md) | May 17, 2022 |
| Linux | libpq rocky 8 | 0:13.5-1.el8 | [RLSA-2022:1891](https://patchblox.com/security/data/fix/linux/rlsa-2022-1891.md) | May 10, 2022 |
| Linux | libpq-devel RHEL 8 | 0:13.5-1.el8 | [RHSA-2022:1891](https://patchblox.com/security/data/fix/linux/rhsa-2022-1891.md) | May 10, 2022 |
| Linux | libpq-devel almalinux 8 | 13.5-1.el8 | [ALSA-2022:1891](https://patchblox.com/security/data/fix/linux/alsa-2022-1891.md) | May 10, 2022 |
| Linux | libpq-devel ol 8 | 0:13.5-1.el8 | [ELSA-2022-1891](https://patchblox.com/security/data/fix/linux/elsa-2022-1891.md) | May 17, 2022 |
| Linux | libpq5 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [libpq5 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpq5-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | libpq5 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [libpq5 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpq5-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-10 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [postgresql-10 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-10-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-12 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [postgresql-12 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-12-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-13 Debian 11.6 (bullseye) | 13.5-0+deb11u1 | [DEBIAN-CVE-2021-23222](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23222.md) | Mar 2, 2022 |
| Linux | postgresql-client-10 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [postgresql-client-10 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-client-10-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-client-12 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [postgresql-client-12 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-client-12-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-doc-10 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [postgresql-doc-10 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-doc-10-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-doc-12 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [postgresql-doc-12 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-doc-12-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-plperl-10 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [postgresql-plperl-10 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-plperl-10-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-plperl-12 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [postgresql-plperl-12 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-plperl-12-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-plpython-10 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [postgresql-plpython-10 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-plpython-10-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-plpython3-10 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [postgresql-plpython3-10 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-plpython3-10-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-plpython3-12 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [postgresql-plpython3-12 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-plpython3-12-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-pltcl-10 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [postgresql-pltcl-10 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-pltcl-10-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-pltcl-12 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [postgresql-pltcl-12 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-pltcl-12-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-server-dev-10 Ubuntu 18.04.6 LTS (bionic) | 10.19-0ubuntu0.18.04.1 | [postgresql-server-dev-10 10.19-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-server-dev-10-10.19-0ubuntu0.18.04.1.md) | Nov 10, 2021 |
| Linux | postgresql-server-dev-12 Ubuntu 20.04 LTS (focal) | 12.9-0ubuntu0.20.04.1 | [postgresql-server-dev-12 12.9-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-server-dev-12-12.9-0ubuntu0.20.04.1.md) | Nov 10, 2021 |

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