CVE-2026-6474 · cross-distro fix matrix

CVE-2026-6474: It was discovered that PostgreSQL did not correctly enforce authorization

Affects 4 Linux releases across 50 (distro × package) combinations. First disclosed: 2026-05-14.

CVSS v3:MEDIUM · 4.3(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-6474 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

postgresql-14→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-14
```
libecpg-compat3→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg-compat3
```
libecpg-dev→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg-dev
```
libecpg6→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg6
```
libpgtypes3→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpgtypes3
```
libpq-dev→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq-dev
```
libpq5→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq5
```
postgresql-client-14→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-client-14
```
postgresql-doc-14→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-doc-14
```
postgresql-plperl-14→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-plperl-14
```
postgresql-plpython3-14→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-plpython3-14
```
postgresql-pltcl-14→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-pltcl-14
```
postgresql-server-dev-14→ fixed in14.23-0ubuntu0.22.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-server-dev-14
```

Ubuntu noble

Source: Ubuntu USN

postgresql-16→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-16
```
libecpg-compat3→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg-compat3
```
libecpg-dev→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg-dev
```
libecpg6→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg6
```
libpgtypes3→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpgtypes3
```
libpq-dev→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq-dev
```
libpq5→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq5
```
postgresql-client-16→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-client-16
```
postgresql-doc-16→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-doc-16
```
postgresql-plperl-16→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-plperl-16
```
postgresql-plpython3-16→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-plpython3-16
```
postgresql-pltcl-16→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-pltcl-16
```
postgresql-server-dev-16→ fixed in16.14-0ubuntu0.24.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-server-dev-16
```

Ubuntu questing

Source: Ubuntu USN

postgresql-17→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-17
```
libecpg-compat3→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg-compat3
```
libecpg-dev→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg-dev
```
libecpg6→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg6
```
libpgtypes3→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpgtypes3
```
libpq-dev→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq-dev
```
libpq5→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq5
```
postgresql-client-17→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-client-17
```
postgresql-doc-17→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-doc-17
```
postgresql-plperl-17→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-plperl-17
```
postgresql-plpython3-17→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-plpython3-17
```
postgresql-pltcl-17→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-pltcl-17
```
postgresql-server-dev-17→ fixed in17.10-0ubuntu0.25.10.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-server-dev-17
```

Ubuntu resolute

Source: Ubuntu USN

postgresql-18→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-18
```
libecpg-compat3→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg-compat3
```
libecpg-dev→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg-dev
```
libecpg6→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libecpg6
```
libpgtypes3→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpgtypes3
```
libpq-dev→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq-dev
```
libpq-oauth→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq-oauth
```
libpq5→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y libpq5
```
postgresql-18-jit→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-18-jit
```
postgresql-client-18→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-client-18
```
postgresql-doc-18→ fixed in18.4-0ubuntu0.26.04.1USN-8294-1
```
sudo apt-get install --only-upgrade -y postgresql-doc-18
```

Are YOU affected by CVE-2026-6474?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

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