Description
A flaw was found in postgresql. A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0, the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | postgresql | Fixedin v13.4, v12.8, v11.13 | — |
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 | 13.4-0+deb11u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | postgresql-12 | 12.8-0ubuntu0.20.04.1 | USN-5038-1 |
| Ubuntu 18.04 LTS | postgresql-10 | 10.18-0ubuntu0.18.04.1 | USN-5038-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | pg_repack | 1.4.6-3.module+el8.5.0+11354+78b3c9c5 | RHSA-2021:5236, RHSA-2021:5235 |
| RHEL 8 | pgaudit | 1.4.0-5.module+el8.5.0+11354+78b3c9c5 | RHSA-2021:5236, RHSA-2021:5235 |
| RHEL 8 | postgres-decoderbufs | 0.10.0-2.module+el8.4.0+8873+b821c30a | RHSA-2021:5236, RHSA-2021:5235 |
| RHEL 8 | postgresql +12 | 12.9-1.module+el8.5.0+13373+4554acc4 | RHSA-2021:5236, RHSA-2021:5235 |
| 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 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | rhvm-appliance | 2:4.5-20220603.1.el8ev | RHSA-2022:4931 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | pg_repack | 1.4.6-3.module_el8.5.0+2606+4554acc4 | ALSA-2021:5236, ALSA-2021:5235 |
| AlmaLinux 8 | pgaudit | 1.4.0-5.module_el8.5.0+2606+4554acc4 | ALSA-2021:5236, ALSA-2021:5235 |
| AlmaLinux 8 | postgres-decoderbufs | 0.10.0-2.module_el8.5.0+2606+4554acc4 | ALSA-2021:5236, ALSA-2021:5235 |
| AlmaLinux 8 | postgresql +12 | 12.9-1.module_el8.5.0+2606+4554acc4 | ALSA-2021:5236, ALSA-2021:5235 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | pg_repack | 1.4.6-3.module+el8.5.0+684+c3892ef9 | RLSA-2021:5236, RLSA-2021:5235 |
| Rocky Linux 8 | pgaudit | 1.4.0-5.module+el8.5.0+686+20453ecc | RLSA-2021:5236, RLSA-2021:5235 |
| Rocky Linux 8 | postgres-decoderbufs | 0.10.0-2.module+el8.4.0+424+71d47d9a | RLSA-2021:5236, RLSA-2021:5235 |
| Rocky Linux 8 | postgresql | 12.9-1.module+el8.5.0+724+9de6e501 | RLSA-2021:5236, RLSA-2021:5235 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | postgresql12 | 12.8-8.23.2 | SUSE-SU-2021:3256-1 |
| SLES 15 SP3 | postgresql13 | 13.4-5.16.2 | SUSE-SU-2021:3255-1 |
| SLES 15 SP2 | postgresql12 | 12.8-8.23.2 | SUSE-SU-2021:3256-1 |
| SLES 15 SP2 | postgresql13 | 13.4-5.16.2 | SUSE-SU-2021:3255-1 |
| SLES 15 SP1 | postgresql12 | 12.12-150100.3.33.1 | SUSE-SU-2022:2958-1 |
| SLES 12 SP5 | postgresql12 | 12.8-3.18.2 | SUSE-SU-2021:3119-1 |
| SLES 12 SP5 | postgresql13 | 13.4-3.12.2 | SUSE-SU-2021:3120-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | postgresql12 | 12.12-150100.3.33.1 | SUSE-SU-2022:2958-1 |
| SLES for SAP 12 SP5 | postgresql12 | 12.8-3.18.2 | SUSE-SU-2021:3119-1 |
| SLES for SAP 12 SP5 | postgresql13 | 13.4-3.12.2 | SUSE-SU-2021:3120-1 |
| SLE HPC 15 SP1 | postgresql12 | 12.12-150100.3.33.1 | SUSE-SU-2022:2958-1 |
| 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 | postgresql11 | 11.13-1.3 | openSUSE-SU-2024:11185-1 |
| openSUSE Tumbleweed | postgresql12 | 12.8-1.3 | openSUSE-SU-2024:11186-1 |
| openSUSE Tumbleweed | postgresql13 | 13.4-1.3 | openSUSE-SU-2024:11187-1 |
| openSUSE Leap 15.3 | postgresql12 | 12.8-8.23.2 | openSUSE-SU-2021:3256-1 |
| openSUSE Leap 15.3 | postgresql13 | 13.4-5.16.2 | openSUSE-SU-2021:3255-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.20 | postgresql14 +1 | 13.4-r0 | — |
| Alpine v3.19 | postgresql13 +2 | 13.4-r0 | — |
| Alpine v3.18 | postgresql12 | 12.8-r0 | — |
| Alpine v3.18 | postgresql13 +2 | 13.4-r0 | — |
| Alpine v3.17 | postgresql12 | 12.8-r0 | — |
| Alpine v3.17 | postgresql13 +2 | 13.4-r0 | — |
| Alpine v3.16 | postgresql12 | 12.8-r0 | — |
| Alpine v3.16 | postgresql13 +1 | 13.4-r0 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.15 | postgresql12 | 12.8-r0 | — |
| Alpine v3.15 | postgresql13 +1 | 13.4-r0 | — |
| Alpine v3.14 | postgresql | 13.4-r0 | — |
| Alpine v3.13 | postgresql | 13.4-r0 | — |
| Alpine v3.12 | postgresql | 12.8-r0 | — |
| Alpine v3.11 | postgresql | 12.8-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 | pg_repack | 1.4.6-3.module+el8.5.0+20333+86306fc7 | ELSA-2021-5236, ELSA-2021-5235 |
| Oracle Linux 8 | pgaudit | 1.4.0-5.module+el8.5.0+20333+86306fc7 | ELSA-2021-5236, ELSA-2021-5235 |
| Oracle Linux 8 | postgres-decoderbufs | 0.10.0-2.module+el8.4.0+20016+06fd4df3 | ELSA-2021-5236, ELSA-2021-5235 |
| Oracle Linux 8 | postgresql +12 | 12.9-1.module+el8.5.0+20463+3d6b40f2 | ELSA-2021-5236, ELSA-2021-5235 |
Advisories 23
- ALSA-2021:5235 Moderate: postgresql:12 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2021:5236 Moderate: postgresql:13 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:4931 Red Hat Security Advisory: RHV Appliance (rhvm-appliance) security update [ovirt-4.5.0] Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:5236 Red Hat Security Advisory: postgresql:13 security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:5235 Red Hat Security Advisory: postgresql:12 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-5038-1 postgresql-10, postgresql-12, postgresql-13 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- RLSA-2021:5235 Moderate: postgresql:12 security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2021:5236 Moderate: postgresql:13 security update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2024:11185-1 postgresql11-11.13-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3256-1 Security update for postgresql12 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3256-1 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-2021:3120-1 Security update for postgresql13 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3255-1 Security update for postgresql13 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11187-1 libecpg6-13.4-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3255-1 Security update for postgresql13 SUSE / openSUSE Security Updates · May 7, 2025
- openSUSE-SU-2024:11186-1 postgresql12-12.8-1.3 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2021:3119-1 Security update for postgresql12 SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2022-0195 PostgreSQL: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Apr 2, 2023
- ELSA-2021-5235 Moderate: postgresql:12 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Dec 22, 2021
- ELSA-2021-5236 Moderate: postgresql:13 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Dec 22, 2021