Description
Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | PostgreSQL | 18 – < 18.4, 17 – < 17.10, 16 – < 16.14, 15 – < 15.18, < 14.23 | 18.4 |
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 14 | postgresql-18 | 18.4-1 | — |
| Debian 13 | postgresql-17 | 17.10-0+deb13u1 | — |
| Debian 12 | postgresql-15 | 15.18-0+deb12u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | postgresql-18 | 18.4-0ubuntu0.26.04.1 | — |
| Ubuntu 25.10 | postgresql-17 | 17.10-0ubuntu0.25.10.1 | — |
| Ubuntu 24.04 LTS | postgresql-16 | 16.14-0ubuntu0.24.04.1 | — |
| Ubuntu 22.04 LTS | postgresql-14 | 14.23-0ubuntu0.22.04.1 | — |
| Ubuntu 20.04 LTS | postgresql-12 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | postgresql-10 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | postgresql-9.5 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | postgresql-9.3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | postgresql +15 | 16.14-1.el10_2 | RHSA-2026:27743 |
| RHEL 10 | postgresql18 +13 | 18.4-1.el10_2 | RHSA-2026:27742 |
| RHEL 9 | pg_repack | 1.4.8-2.module+el9.8.0+24091+17775505 | RHSA-2026:28037, RHSA-2026:26204, RHSA-2026:26203 |
| RHEL 9 | pgaudit | 1.7.0-1.module+el9.8.0+24091+17775505 | RHSA-2026:28037, RHSA-2026:26204, RHSA-2026:26203 |
| RHEL 9 | pgvector | 0.6.2-2.module+el9.8.0+24090+8f0ee565 | RHSA-2026:26204, RHSA-2026:26203 |
| RHEL 9 | postgis +4 | 3.5.3-5.module+el9.8.0+24090+8f0ee565 | RHSA-2026:26204, RHSA-2026:26203 |
| RHEL 9 | postgres-decoderbufs | 1.9.7-1.Final.module+el9.8.0+24091+17775505 | RHSA-2026:28037, RHSA-2026:26204, RHSA-2026:26203 |
| RHEL 9 | postgresql +14 | 15.18-1.module+el9.8.0+24358+32c5830e | RHSA-2026:28037, RHSA-2026:26204, RHSA-2026:26203 |
| RHEL 8 | pg_repack | 1.4.8-1.module+el8.9.0+19797+c4ce5969 | RHSA-2026:28143, RHSA-2026:26181 |
| RHEL 8 | pgaudit | 1.7.0-1.module+el8.9.0+19797+c4ce5969 | RHSA-2026:28143, RHSA-2026:26181 |
| RHEL 8 | postgres-decoderbufs | 1.9.7-1.Final.module+el8.9.0+19797+c4ce5969 | RHSA-2026:28143, RHSA-2026:26181 |
| RHEL 8 | postgresql +14 | 15.18-1.module+el8.10.0+24361+29e043a0 | RHSA-2026:28143, RHSA-2026:26181 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | postgresql +15 | 16.14-1.el10_0 | RHSA-2026:27718 |
| RHEL 9.6 EUS | pg_repack | 1.4.8-2.module+el9.5.0+22224+f5585c78 | RHSA-2026:32983, RHSA-2026:26525 |
| RHEL 9.6 EUS | pgaudit | 1.7.0-1.module+el9.2.0+17405+aeb9ec60 | RHSA-2026:32983, RHSA-2026:26525 |
| RHEL 9.6 EUS | pgvector | 0.6.2-2.module+el9.6.0+22979+c3d78d52 | RHSA-2026:26525 |
| RHEL 9.6 EUS | postgres-decoderbufs | 1.9.7-1.Final.module+el9.2.0+17405+aeb9ec60 | RHSA-2026:32983, RHSA-2026:26525 |
| RHEL 9.6 EUS | postgresql +14 | 15.18-1.module+el9.6.0+24427+6664975e | RHSA-2026:32983, RHSA-2026:26525 |
| RHEL 9.4 E4S | pg_repack | 1.4.8-1.module+el9.2.0+17405+aeb9ec60 | RHSA-2026:33441, RHSA-2026:26524 |
| RHEL 9.4 E4S | pgaudit | 1.7.0-1.module+el9.2.0+17405+aeb9ec60 | RHSA-2026:33441, RHSA-2026:26524 |
| RHEL 9.4 E4S | postgres-decoderbufs | 1.9.7-1.Final.module+el9.2.0+17405+aeb9ec60 | RHSA-2026:33441, RHSA-2026:26524 |
| RHEL 9.4 E4S | postgresql +14 | 15.18-1.module+el9.4.0+24401+d70df5dc | RHSA-2026:33441, RHSA-2026:26524 |
| RHEL 9.2 E4S | pg_repack | 1.4.8-1.module+el9.2.0+17405+aeb9ec60 | RHSA-2026:33497 |
| RHEL 9.2 E4S | pgaudit | 1.7.0-1.module+el9.2.0+17405+aeb9ec60 | RHSA-2026:33497 |
| RHEL 9.2 E4S | postgres-decoderbufs | 1.9.7-1.Final.module+el9.2.0+17405+aeb9ec60 | RHSA-2026:33497 |
| RHEL 9.2 E4S | postgresql +14 | 15.18-1.module+el9.2.0+24451+e803ec54 | RHSA-2026:33497 |
| RHEL 8.8 TUS | pg_repack | 1.4.8-1.module+el8.8.0+17071+aaaceaa4 | RHSA-2026:26561 |
| RHEL 8.8 TUS | pgaudit | 1.7.0-1.module+el8.8.0+17071+aaaceaa4 | RHSA-2026:26561 |
| RHEL 8.8 TUS | postgres-decoderbufs | 1.9.7-1.Final.module+el8.8.0+17071+aaaceaa4 | RHSA-2026:26561 |
| RHEL 8.8 TUS | postgresql +14 | 15.18-1.module+el8.8.0+24395+e7b9b4b6 | RHSA-2026:26561 |
| RHEL 8.8 E4S | pg_repack | 1.4.8-1.module+el8.8.0+17071+aaaceaa4 | RHSA-2026:26561 |
| RHEL 8.8 E4S | pgaudit | 1.7.0-1.module+el8.8.0+17071+aaaceaa4 | RHSA-2026:26561 |
| RHEL 8.8 E4S | postgres-decoderbufs | 1.9.7-1.Final.module+el8.8.0+17071+aaaceaa4 | RHSA-2026:26561 |
| RHEL 8.8 E4S | postgresql +14 | 15.18-1.module+el8.8.0+24395+e7b9b4b6 | RHSA-2026:26561 |
| Red Hat Hardened Images 1 | postgresql +14 | 18.4-0.1.hum1 | RHSA-2026:22878 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | postgresql +14 | 16.14-1.el10_2 | ALSA-2026:27743 |
| AlmaLinux 10 | postgresql18 +13 | 18.4-1.el10_2 | ALSA-2026:27742 |
| AlmaLinux 9 | pg_repack | 1.4.8-2.module_el9.5.0+119+18833d03 | ALSA-2026:28037, ALSA-2026:26204, ALSA-2026:26203 |
| AlmaLinux 9 | pgaudit | 1.7.0-1.module_el9.3.0+52+21733919 | ALSA-2026:28037, ALSA-2026:26204, ALSA-2026:26203 |
| AlmaLinux 9 | pgvector | 0.6.2-2.module_el9.6.0+167+4e561146 | ALSA-2026:26204, ALSA-2026:26203 |
| AlmaLinux 9 | postgis +4 | 3.5.3-5.module_el9.8.0+236+2d3cbd4c | ALSA-2026:26204, ALSA-2026:26203 |
| AlmaLinux 9 | postgres-decoderbufs | 1.9.7-1.Final.module_el9.3.0+52+21733919 | ALSA-2026:28037, ALSA-2026:26204, ALSA-2026:26203 |
| AlmaLinux 9 | postgresql +14 | 15.18-1.module_el9.8.0+267+7c71b4a4 | ALSA-2026:28037, ALSA-2026:26204, ALSA-2026:26203 |
| AlmaLinux 8 | pg_repack | 1.4.8-1.module_el8.9.0+3706+885c732e | ALSA-2026:28143, ALSA-2026:26181 |
| AlmaLinux 8 | pgaudit | 1.7.0-1.module_el8.9.0+3706+885c732e | ALSA-2026:28143, ALSA-2026:26181 |
| AlmaLinux 8 | postgres-decoderbufs | 1.9.7-1.Final.module_el8.9.0+3706+885c732e | ALSA-2026:28143, ALSA-2026:26181 |
| AlmaLinux 8 | postgresql +14 | 15.18-1.module_el8.10.0+4195+4569d728 | ALSA-2026:28143, ALSA-2026:26181 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | postgresql14 | 14.23-160000.1.1 | SUSE-SU-2026:22177-1 |
| SLES for SAP 16.0 | postgresql15 | 15.18-160000.1.1 | SUSE-SU-2026:22183-1 |
| SLES for SAP 16.0 | postgresql16 | 16.14-160000.1.1 | SUSE-SU-2026:22184-1 |
| SLES for SAP 16.0 | postgresql17 | 17.10-160000.1.1 | SUSE-SU-2026:22149-1 |
| SLES for SAP 16.0 | postgresql18 | 18.4-160000.1.1 | SUSE-SU-2026:22077-1 |
| SLES 16.0 | postgresql14 | 14.23-160000.1.1 | SUSE-SU-2026:22177-1 |
| SLES 16.0 | postgresql15 | 15.18-160000.1.1 | SUSE-SU-2026:22183-1 |
| SLES 16.0 | postgresql16 | 16.14-160000.1.1 | SUSE-SU-2026:22184-1 |
| SLES 16.0 | postgresql17 | 17.10-160000.1.1 | SUSE-SU-2026:22149-1 |
| SLES 16.0 | postgresql18 | 18.4-160000.1.1 | SUSE-SU-2026:22077-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | postgresql14 | 14.23-1.1 | openSUSE-SU-2026:10806-1 |
| openSUSE Tumbleweed | postgresql15 | 15.18-1.1 | openSUSE-SU-2026:10807-1 |
| openSUSE Tumbleweed | postgresql16 | 16.14-1.1 | openSUSE-SU-2026:10808-1 |
| openSUSE Tumbleweed | postgresql17 | 17.10-1.1 | openSUSE-SU-2026:10809-1 |
| openSUSE Tumbleweed | postgresql18 | 18.4-1.1 | openSUSE-SU-2026:10828-1 |
| openSUSE Leap 16.0 | postgresql14 | 14.23-160000.1.1 | openSUSE-SU-2026:21102-1 |
| openSUSE Leap 16.0 | postgresql15 | 15.18-160000.1.1 | openSUSE-SU-2026:21103-1 |
| openSUSE Leap 16.0 | postgresql16 | 16.14-160000.1.1 | openSUSE-SU-2026:21104-1 |
| openSUSE Leap 16.0 | postgresql17 | 17.10-160000.1.1 | openSUSE-SU-2026:20970-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | postgresql16 | 16.14-r0 | — |
| Alpine v3.24 | postgresql17 | 17.10-r0 | — |
| Alpine v3.24 | postgresql18 | 18.4-r0 | — |
| Alpine v3.23 | postgresql16 | 16.14-r0 | — |
| Alpine v3.23 | postgresql17 | 17.10-r0 | — |
| Alpine v3.23 | postgresql18 | 18.4-r0 | — |
| Alpine v3.22 | postgresql15 | 15.18-r0 | — |
| Alpine v3.22 | postgresql16 | 16.14-r0 | — |
| Alpine v3.22 | postgresql17 | 17.10-r0 | — |
| Alpine v3.21 | postgresql15 | 15.18-r0 | — |
| Alpine v3.21 | postgresql16 | 16.14-r0 | — |
| Alpine v3.21 | postgresql17 | 17.10-r0 | — |
| Alpine v3.20 | postgresql15 | 15.18-r0 | — |
| Alpine v3.20 | postgresql16 | 16.14-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | postgresql15 +15 | 15.18-1.amzn2023.0.1 | ALAS2023-2026-1768 |
| Amazon Linux 2023 | postgresql16 +15 | 16.14-1.amzn2023.0.1 | ALAS2023-2026-1767 |
| Amazon Linux 2023 | postgresql17 +15 | 17.10-1.amzn2023.0.1 | ALAS2023-2026-1766 |
| Amazon Linux 2023 | postgresql18 +15 | 18.4-1.amzn2023.0.1 | ALAS2023-2026-1780 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | postgresql | 16.14-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | postgresql18 +13 | 18.4-1.0.1.el10_2 | ELSA-2026-27742 |
Advisories 45
- ALSA-2026:27742 Important: postgresql18 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:27743 Important: postgresql16 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:26203 Important: postgresql:16 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:26204 Important: postgresql:18 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:28037 Important: postgresql:15 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:28143 Important: postgresql:16 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:26181 Important: postgresql:15 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-1544 PostgreSQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 21, 2026
- WID-SEC-2026-2929 Splunk Splunk Enterprise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 21, 2026
- RHSA-2026:33497 Red Hat Security Advisory: postgresql:15 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:33441 Red Hat Security Advisory: postgresql:15 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:32983 Red Hat Security Advisory: postgresql:15 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:28037 Red Hat Security Advisory: postgresql:15 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:27742 Red Hat Security Advisory: postgresql18 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:27743 Red Hat Security Advisory: postgresql16 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:27718 Red Hat Security Advisory: postgresql16 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:26561 Red Hat Security Advisory: postgresql:15 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:26524 Red Hat Security Advisory: postgresql:16 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:26525 Red Hat Security Advisory: postgresql:16 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:26204 Red Hat Security Advisory: postgresql:18 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:26203 Red Hat Security Advisory: postgresql:16 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:28143 Red Hat Security Advisory: postgresql:16 security update Red Hat Security Advisories (RHSA) · Oct 7, 2026
- RHSA-2026:26181 Red Hat Security Advisory: postgresql:15 security update Red Hat Security Advisories (RHSA) · Oct 7, 2026
- RHSA-2026:22878 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 6, 2026
- WID-SEC-2026-2858 IBM AIX und VIOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 4, 2026
- NCSC-2026-0321 Meerdere kwetsbaarheden verholpen in IBM AIX en IBM PowerVM VIOS NCSC-NL (Netherlands) · Aug 21, 2026
- ELSA-2026-27742 Important: postgresql18 security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 17, 2026
- openSUSE-SU-2026:21104-1 Security update for postgresql16 SUSE / openSUSE Security Updates · Jun 30, 2026
- openSUSE-SU-2026:21102-1 Security update for postgresql14 SUSE / openSUSE Security Updates · Jun 30, 2026
- openSUSE-SU-2026:21103-1 Security update for postgresql15 SUSE / openSUSE Security Updates · Jun 30, 2026
- SUSE-SU-2026:22183-1 Security update for postgresql15 SUSE / openSUSE Security Updates · Jun 24, 2026
- SUSE-SU-2026:22184-1 Security update for postgresql16 SUSE / openSUSE Security Updates · Jun 24, 2026
- openSUSE-SU-2026:20970-1 Security update for postgresql17 SUSE / openSUSE Security Updates · Jun 24, 2026
- SUSE-SU-2026:22177-1 Security update for postgresql14 SUSE / openSUSE Security Updates · Jun 24, 2026
- SUSE-SU-2026:22149-1 Security update for postgresql17 SUSE / openSUSE Security Updates · Jun 24, 2026
- SUSE-SU-2026:22077-1 Security update for postgresql18 SUSE / openSUSE Security Updates · Jun 16, 2026
- ALAS2023-2026-1780 Important: postgresql18 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jun 8, 2026
- ALAS2023-2026-1766 Important: postgresql17 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 25, 2026
- ALAS2023-2026-1767 Important: postgresql16 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 25, 2026
- ALAS2023-2026-1768 Important: postgresql15 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 25, 2026
- openSUSE-SU-2026:10828-1 libecpg6-18.4-1.1 on GA media SUSE / openSUSE Security Updates · May 21, 2026
- openSUSE-SU-2026:10808-1 postgresql16-16.14-1.1 on GA media SUSE / openSUSE Security Updates · May 19, 2026
- openSUSE-SU-2026:10809-1 postgresql17-17.10-1.1 on GA media SUSE / openSUSE Security Updates · May 19, 2026
- openSUSE-SU-2026:10806-1 postgresql14-14.23-1.1 on GA media SUSE / openSUSE Security Updates · May 19, 2026
- openSUSE-SU-2026:10807-1 postgresql15-15.18-1.1 on GA media SUSE / openSUSE Security Updates · May 19, 2026