Description
The pg_ctlcluster script in postgresql-common in versions prior to 210 didn't drop privileges when creating socket/statistics temporary directories, which could result in local privilege escalation.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | postgresql-common (Debian-specific Postgres management tools) | Versions before 210 | — |
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-common | 210 | — |
| Debian 13 | postgresql-common | 210 | — |
| Debian 12 | postgresql-common | 210 | — |
| Debian 10 | postgresql-common | 200+deb10u3 | DSA-4568-1 |
| Debian 9 | postgresql-common | 181+deb9u3 | DSA-4568-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | postgresql-common | 165+deb8u4 | DLA-1994-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | postgresql-common | 190ubuntu0.1 | USN-4194-1 |
| Ubuntu 16.04 LTS | postgresql-common | 173ubuntu0.3 | USN-4194-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | postgresql-common | 154ubuntu1.1+esm1 | USN-4194-2 |
Advisories 4
- DSA-4568-1 postgresql-common - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1994-1 postgresql-common - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-4194-1 postgresql-common vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-4194-2 postgresql-common vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026