Description
PostgreSQL versions before 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers with no privileges on a large object to overwrite the entire contents of the object, resulting in a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| PostgreSQL | postgresql | 9.4.x before 9.4.13, 9.5.x before 9.5.8, 9.6.x before 9.6.4 | — |
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 9 | postgresql-9.6 | 9.6.4-0+deb9u1 | DSA-3936-1 |
| Debian 8 | postgresql-9.4 | 9.4.13-0+deb8u1 | DSA-3935-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | postgresql-9.5 | 9.5.8-0ubuntu0.16.04.1 | USN-3390-1 |
| Ubuntu 14.04 LTS | postgresql-9.3 | 9.3.18-0ubuntu0.14.04.1 | USN-3390-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 2 | rh-postgresql94-postgresql +11 | 9.4.14-1.el6 | RHSA-2017:2678 |
| RHEL 2 | rh-postgresql95-postgresql +10 | 9.5.9-1.el6 | RHSA-2017:2677 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SLES 12 SP2 | postgresql94 +1 | 9.4.13-21.5.1 | SUSE-SU-2017:2355-1 |
| SLES 12 SP2 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SLES 12 SP1 | postgresql94 | 9.4.13-21.5.1 | SUSE-SU-2017:2355-1 |
| SLES 12 SP1 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SLES 12 | postgresql93 | 9.3.18-25.5.1 | SUSE-SU-2017:2236-1 |
| SLES 12 | postgresql94 | 9.4.13-21.5.1 | SUSE-SU-2017:2355-1 |
| SLES 12 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SLES 11 SP4 | postgresql94 +1 | 9.4.13-0.23.5.1 | SUSE-SU-2017:2258-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP3 | postgresql94 +1 | 9.4.13-0.23.5.1 | SUSE-SU-2017:2258-1 |
| SLES for SAP 12 SP3 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SLES for SAP 12 SP2 | postgresql94 | 9.4.13-21.5.1 | SUSE-SU-2017:2355-1 |
| SLES for SAP 12 SP2 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SLES for SAP 12 SP1 | postgresql94 | 9.4.13-21.5.1 | SUSE-SU-2017:2355-1 |
| SLES for SAP 12 SP1 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SLES for SAP 12 | postgresql93 | 9.3.18-25.5.1 | SUSE-SU-2017:2236-1 |
| SLES for SAP 12 | postgresql94 | 9.4.13-21.5.1 | SUSE-SU-2017:2355-1 |
| SLES for SAP 12 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SLES for SAP 11 SP4 | postgresql94 +1 | 9.4.13-0.23.5.1 | SUSE-SU-2017:2258-1 |
| SUSE OpenStack Cloud 6 | postgresql94 | 9.4.13-21.5.1 | SUSE-SU-2017:2355-1 |
| SUSE OpenStack Cloud 6 | postgresql96 +1 | 9.6.4-3.6.1 | SUSE-SU-2017:2356-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | postgresql94 +1 | 9.4.13-0.23.5.1 | SUSE-SU-2017:2258-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.20 | postgresql14 +1 | 9.6.4-r0 | — |
| Alpine v3.19 | postgresql14 +1 | 9.6.4-r0 | — |
| Alpine v3.18 | postgresql14 +1 | 9.6.4-r0 | — |
| Alpine v3.17 | postgresql14 +1 | 9.6.4-r0 | — |
| Alpine v3.16 | postgresql14 | 9.6.4-r0 | — |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.15 | postgresql14 | 9.6.4-r0 | — |
| Alpine v3.14 | postgresql | 9.6.4-r0 | — |
| Alpine v3.13 | postgresql | 9.6.4-r0 | — |
| Alpine v3.12 | postgresql | 9.6.4-r0 | — |
| Alpine v3.11 | postgresql | 9.6.4-r0 | — |
| Alpine v3.10 | postgresql | 9.6.4-r0 | — |
| Alpine v3.9 | postgresql | 9.6.4-r0 | — |
| Alpine v3.8 | postgresql | 9.6.4-r0 | — |
| Alpine v3.7 | postgresql | 9.6.4-r0 | — |
| Alpine v3.6 | postgresql | 9.6.4-r0 | — |
| Alpine v3.5 | postgresql | 9.6.4-r0 | — |
| Alpine v3.4 | postgresql | 9.5.8-r0 | — |
| Alpine v3.3 | postgresql | 9.4.13-r0 | — |
Advisories 9
- RHSA-2017:2678 Red Hat Security Advisory: rh-postgresql94-postgresql security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:2677 Red Hat Security Advisory: rh-postgresql95-postgresql security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3390-1 postgresql-9.3, postgresql-9.5, postgresql-9.6 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3936-1 postgresql-9.6 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3935-1 postgresql-9.4 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:2236-1 Security update for postgresql93 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2258-1 Security update for postgresql94 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2356-1 Security update for postgresql96 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2355-1 Security update for postgresql94 SUSE / openSUSE Security Updates · Feb 4, 2026
References
- DSA-3936 vendor-advisory
- RHSA-2017:2678 vendor-advisory
- DSA-3935 vendor-advisory
- 1039142 vdb-entry
- https://www.postgresql.org/about/news/1772/
- 100276 vdb-entry
- GLSA-201710-06 vendor-advisory
- RHSA-2017:2677 vendor-advisory