Description
A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | postgresql | Affects v9.6 to v14 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 11 | postgresql-13 | 13.5-0+deb11u1 | DSA-5007-1 |
| Debian 10 | postgresql-11 | 11.14-0+deb10u1 | DSA-5006-1 |
| Debian 9 | postgresql-9.6 | 9.6.24-0+deb9u1 | DLA-2817-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | postgresql-12 | 12.9-0ubuntu0.20.04.1 | USN-5145-1 |
| Ubuntu 18.04 LTS | postgresql-10 | 10.19-0ubuntu0.18.04.1 | USN-5145-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | postgresql-9.5 | 9.5.25-0ubuntu0.16.04.1+esm3 | USN-5765-1 |
| Ubuntu Pro 14.04 LTS | postgresql-9.3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | libpq +1 | 13.5-1.el8 | RHSA-2022:1891 |
| RHEL 3 | rh-postgresql12-postgresql +13 | 12.9-1.el7 | RHSA-2021:5197 |
| RHEL 3 | rh-postgresql13-postgresql +14 | 13.5-1.el7 | RHSA-2021:5179 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | libpq +1 | 13.5-1.el8 | ALSA-2022:1891 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | libpq | 13.5-1.el8 | RLSA-2022:1891 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | postgresql10 | 10.19-8.41.1 | SUSE-SU-2021:4058-1 |
| SLES 15 SP3 | postgresql12 | 12.9-8.26.1 | SUSE-SU-2021:3758-1 |
| SLES 15 SP3 | postgresql13 | 13.5-5.22.1 | SUSE-SU-2021:3762-1 |
| SLES 15 SP3 | postgresql14 | 14.1-5.6.1 | SUSE-SU-2021:3759-1 |
| SLES 15 SP2 | postgresql10 | 10.19-8.41.1 | SUSE-SU-2021:4058-1 |
| SLES 15 SP2 | postgresql12 | 12.9-8.26.1 | SUSE-SU-2021:3758-1 |
| SLES 15 SP2 | postgresql13 | 13.5-5.22.1 | SUSE-SU-2021:3762-1 |
| SLES 15 SP2 | postgresql14 | 14.1-5.6.1 | SUSE-SU-2021:3759-1 |
| SLES 15 SP1 | postgresql | 12.0.1-150000.8.19.1 | SUSE-SU-2022:2893-1 |
| SLES 15 SP1 | postgresql10 | 10.19-8.41.1 | SUSE-SU-2021:4058-1 |
| SLES 15 SP1 | postgresql12 | 12.12-150100.3.33.1 | SUSE-SU-2022:2958-1 |
| SLES 15 | postgresql | 12.0.1-150000.8.19.1 | SUSE-SU-2022:2893-1 |
| SLES 15 | postgresql10 | 10.22-150000.4.42.1 | SUSE-SU-2022:2893-1 |
| SLES 12 SP5 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SLES 12 SP5 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SLES 12 SP5 | postgresql12 | 12.9-3.21.1 | SUSE-SU-2021:3760-1 |
| SLES 12 SP5 | postgresql13 | 13.5-3.15.2 | SUSE-SU-2021:3755-1 |
| SLES 12 SP5 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SLES 12 SP4 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SLES 12 SP4 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SLES 12 SP3 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SLES 12 SP3 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SLES 12 SP3 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SLES 12 SP3 | postgresql96 | 9.6.24-6.18.2 | SUSE-SU-2021:3757-1 |
| SLES 12 SP2 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SLES 12 SP2 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SLES 12 SP2 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SLES 12 SP2 | postgresql96 | 9.6.24-6.18.2 | SUSE-SU-2021:3757-1 |
| SLES for SAP 15 SP1 | postgresql | 12.0.1-150000.8.19.1 | SUSE-SU-2022:2893-1 |
| SLES for SAP 15 SP1 | postgresql10 | 10.19-8.41.1 | SUSE-SU-2021:4058-1 |
| SLES for SAP 15 SP1 | postgresql12 | 12.12-150100.3.33.1 | SUSE-SU-2022:2958-1 |
| SLES for SAP 15 | postgresql | 12.0.1-150000.8.19.1 | SUSE-SU-2022:2893-1 |
| SLES for SAP 15 | postgresql10 | 10.22-150000.4.42.1 | SUSE-SU-2022:2893-1 |
| SLES for SAP 12 SP5 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SLES for SAP 12 SP5 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SLES for SAP 12 SP5 | postgresql12 | 12.9-3.21.1 | SUSE-SU-2021:3760-1 |
| SLES for SAP 12 SP5 | postgresql13 | 13.5-3.15.2 | SUSE-SU-2021:3755-1 |
| SLES for SAP 12 SP5 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SLES for SAP 12 SP4 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SLES for SAP 12 SP4 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SLES for SAP 12 SP4 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SLES for SAP 12 SP3 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SLES for SAP 12 SP3 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SLES for SAP 12 SP3 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SLES for SAP 12 SP3 | postgresql96 | 9.6.24-6.18.2 | SUSE-SU-2021:3757-1 |
| SLE HPC 15 SP1 | postgresql | 12.0.1-150000.8.19.1 | SUSE-SU-2022:2893-1 |
| SLE HPC 15 SP1 | postgresql10 | 10.19-8.41.1 | SUSE-SU-2021:4058-1 |
| SLE HPC 15 SP1 | postgresql12 | 12.12-150100.3.33.1 | SUSE-SU-2022:2958-1 |
| SLE HPC 15 | postgresql | 12.0.1-150000.8.19.1 | SUSE-SU-2022:2893-1 |
| SLE HPC 15 | postgresql10 | 10.22-150000.4.42.1 | SUSE-SU-2022:2893-1 |
| SUSE OpenStack Cloud Crowbar 9 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SUSE OpenStack Cloud Crowbar 9 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SUSE OpenStack Cloud Crowbar 9 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SUSE OpenStack Cloud Crowbar 8 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SUSE OpenStack Cloud Crowbar 8 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SUSE OpenStack Cloud Crowbar 8 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SUSE OpenStack Cloud Crowbar 8 | postgresql96 | 9.6.24-6.18.2 | SUSE-SU-2021:3757-1 |
| SUSE OpenStack Cloud 9 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SUSE OpenStack Cloud 9 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SUSE OpenStack Cloud 9 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SUSE OpenStack Cloud 8 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SUSE OpenStack Cloud 8 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SUSE OpenStack Cloud 8 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SUSE OpenStack Cloud 8 | postgresql96 | 9.6.24-6.18.2 | SUSE-SU-2021:3757-1 |
| SUSE HPE Helion OpenStack 8 | postgresql | 14-4.10.1 | SUSE-SU-2021:3755-1 |
| SUSE HPE Helion OpenStack 8 | postgresql10 | 10.19-4.22.1 | SUSE-SU-2021:3761-1 |
| SUSE HPE Helion OpenStack 8 | postgresql14 | 14.1-3.3.1 | SUSE-SU-2021:3755-1 |
| SUSE HPE Helion OpenStack 8 | postgresql96 | 9.6.24-6.18.2 | SUSE-SU-2021:3757-1 |
| SUSE Enterprise Storage 6 | postgresql | 12.0.1-150000.8.19.1 | SUSE-SU-2022:2893-1 |
| SUSE Enterprise Storage 6 | postgresql10 | 10.19-8.41.1 | SUSE-SU-2021:4058-1 |
| SUSE Enterprise Storage 6 | postgresql12 | 12.12-150100.3.33.1 | SUSE-SU-2022:2958-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | postgresql10 | 10.19-1.1 | openSUSE-SU-2024:11625-1 |
| openSUSE Tumbleweed | postgresql11 | 11.14-1.1 | openSUSE-SU-2024:11626-1 |
| openSUSE Tumbleweed | postgresql12 | 12.9-1.1 | openSUSE-SU-2024:11627-1 |
| openSUSE Tumbleweed | postgresql13 | 13.5-1.1 | openSUSE-SU-2024:11628-1 |
| openSUSE Tumbleweed | postgresql14 | 14.1-1.1 | openSUSE-SU-2024:11629-1 |
| openSUSE Tumbleweed | postgresql15 | 15.4-2.1 | openSUSE-SU-2024:13243-1 |
| openSUSE Tumbleweed | postgresql16 | 16.4-1.1 | openSUSE-SU-2024:14360-1 |
| openSUSE Tumbleweed | postgresql17 | 17.6-2.1 | openSUSE-SU-2025:15580-1 |
| openSUSE Leap 15.3 | postgresql10 | 10.19-8.41.1 | openSUSE-SU-2021:4058-1 |
| openSUSE Leap 15.3 | postgresql12 | 12.9-8.26.1 | openSUSE-SU-2021:3758-1 |
| openSUSE Leap 15.3 | postgresql13 | 13.5-5.22.1 | openSUSE-SU-2021:3762-1 |
| openSUSE Leap 15.3 | postgresql14 | 14.1-5.6.1 | openSUSE-SU-2021:3759-1 |
| openSUSE Leap 15.2 | postgresql10 | 10.19-lp152.2.27.1 | openSUSE-SU-2021:1584-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.20 | postgresql14 +1 | 14.1-r0 | — |
| Alpine v3.19 | postgresql13 | 13.5-r0 | — |
| Alpine v3.19 | postgresql14 +1 | 14.1-r0 | — |
| Alpine v3.18 | postgresql12 | 12.9-r0 | — |
| Alpine v3.18 | postgresql13 | 13.5-r0 | — |
| Alpine v3.18 | postgresql14 +1 | 14.1-r0 | — |
| Alpine v3.17 | postgresql12 | 12.9-r0 | — |
| Alpine v3.17 | postgresql13 | 13.5-r0 | — |
| Alpine v3.17 | postgresql14 +1 | 14.1-r0 | — |
| Alpine v3.16 | postgresql12 | 12.9-r0 | — |
| Alpine v3.16 | postgresql13 | 13.5-r0 | — |
| Alpine v3.16 | postgresql14 | 14.1-r0 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.15 | postgresql12 | 12.9-r0 | — |
| Alpine v3.15 | postgresql13 | 13.5-r0 | — |
| Alpine v3.15 | postgresql14 | 14.1-r0 | — |
| Alpine v3.14 | postgresql | 13.5-r0 | — |
| Alpine v3.13 | postgresql | 13.5-r0 | — |
| Alpine v3.12 | postgresql | 12.9-r0 | — |
| Alpine v3.11 | postgresql | 12.9-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | postgresql | 14.2-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | libpq +1 | 13.5-1.el8 | ELSA-2022-1891 |
Advisories 36
- ALSA-2022:1891 Low: libpq security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:1891 Red Hat Security Advisory: libpq security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:5197 Red Hat Security Advisory: rh-postgresql12-postgresql security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:5179 Red Hat Security Advisory: rh-postgresql13-postgresql security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- USN-5765-1 postgresql-9.5 vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-5145-1 postgresql-10, postgresql-12, postgresql-13 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2025:15580-1 postgresql17-17.6-2.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-5006-1 postgresql-11 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5007-1 postgresql-13 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2817-1 postgresql-9.6 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:1891 Low: libpq security update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2024:11625-1 postgresql10-10.19-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11628-1 postgresql13-13.5-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3760-1 Security update for postgresql12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3755-1 Security update for postgresql, postgresql13, postgresql14 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3762-1 Security update for postgresql13 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3758-1 Security update for postgresql12 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11626-1 postgresql11-11.14-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11627-1 postgresql12-12.9-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13243-1 postgresql15-15.4-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3759-1 Security update for postgresql14 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11629-1 libecpg6-14.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3762-1 Security update for postgresql13 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1584-1 Security update for postgresql10 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2893-1 Security update for postgresql10 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14360-1 postgresql16-16.4-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3758-1 Security update for postgresql12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2958-1 Security update for postgresql12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3761-1 Security update for postgresql10 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3757-1 Security update for postgresql96 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:4058-1 Security update for postgresql10 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:4058-1 Security update for postgresql10 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3759-1 Security update for postgresql14 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-0031 PostgreSQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 28, 2025
- WID-SEC-2023-0426 IBM Spectrum Protect: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 6, 2025
- ELSA-2022-1891 Low: libpq security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 17, 2022
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2022675
- https://www.postgresql.org/support/security/CVE-2021-23222/
- https://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commitdiff%3Bh=d83cdfdca9d918bbbd6bb209139b94c954da7228
- https://github.com/postgres/postgres/commit/160c0258802d10b0600d7671b1bbea55d8e17d45
- GLSA-202211-04 vendor-advisory