CVE-2023-28447 · cross-distro fix matrix

CVE-2023-28447: USN-8242-1 fixed a vulnerability in CiviCRM. This update provides the

Affects 8 Linux releases across 24 (distro × package) combinations. First disclosed: 2026-05-07.

Fix per ecosystem

Each block below is a distro release where CVE-2023-28447 has a known fix. Run the listed command on that distro to remediate.

Ubuntu noble

Source: Ubuntu USN

postfixadmin→ fixed in3.3.13-1ubuntu0.1~esm1USN-8242-2
```
sudo apt-get install --only-upgrade -y postfixadmin
```

Ubuntu xenial

Source: Ubuntu USN

smarty3→ fixed in3.1.21-1ubuntu1+esm2USN-8272-1
```
sudo apt-get install --only-upgrade -y smarty3
```
civicrm→ fixed in4.7.1+dfsg-2ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm
```
civicrm-common→ fixed in4.7.1+dfsg-2ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm-common
```
civicrm-l10n→ fixed in4.7.1+dfsg-2ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm-l10n
```
drupal7-mod-civicrm→ fixed in4.7.1+dfsg-2ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y drupal7-mod-civicrm
```
wordpress-civicrm→ fixed in4.7.1+dfsg-2ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y wordpress-civicrm
```

Ubuntu bionic

Source: Ubuntu USN

civicrm→ fixed in4.7.30+dfsg-1ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm
```
civicrm-common→ fixed in4.7.30+dfsg-1ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm-common
```
civicrm-l10n→ fixed in4.7.30+dfsg-1ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm-l10n
```
wordpress-civicrm→ fixed in4.7.30+dfsg-1ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y wordpress-civicrm
```

Ubuntu focal

Source: Ubuntu USN

civicrm→ fixed in5.21.2+dfsg-1ubuntu0.1~esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm
```
civicrm-common→ fixed in5.21.2+dfsg-1ubuntu0.1~esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm-common
```
civicrm-l10n→ fixed in5.21.2+dfsg-1ubuntu0.1~esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm-l10n
```
wordpress-civicrm→ fixed in5.21.2+dfsg-1ubuntu0.1~esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y wordpress-civicrm
```

Ubuntu jammy

Source: Ubuntu USN

civicrm→ fixed in5.33.2+dfsg1-1ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm
```
civicrm-common→ fixed in5.33.2+dfsg1-1ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm-common
```
civicrm-l10n→ fixed in5.33.2+dfsg1-1ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y civicrm-l10n
```
wordpress-civicrm→ fixed in5.33.2+dfsg1-1ubuntu1+esm1USN-8242-1
```
sudo apt-get install --only-upgrade -y wordpress-civicrm
```

Debian bullseye

Source: Debian Security Tracker

smarty3→ fixed in3.1.39-2+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y smarty3
```

Debian bookworm

Source: Debian Security Tracker

smarty3→ fixed in3.1.47-2+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y smarty3
```
smarty4→ fixed in4.3.0-1+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y smarty4
```

Debian trixie

Source: Debian Security Tracker

smarty3→ fixed in3.1.48-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y smarty3
```
smarty4→ fixed in4.3.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y smarty4
```

Are YOU affected by CVE-2023-28447?

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

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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