CVE-2020-8865 · cross-distro fix matrix

CVE-2020-8865: This vulnerability allows remote attackers to execute local PHP files on affected installations of Horde Groupware Webmail Edition 5.2.22. Authentication is required to exploit this vulnerability. The specific flaw exists within edit.php. When parsing the params[template] parameter, the process does

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-8865 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

php-horde-trean→ fixed in1.1.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php-horde-trean
```

Debian bookworm

Source: Debian Security Tracker

php-horde-trean→ fixed in1.1.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php-horde-trean
```

Are YOU affected by CVE-2020-8865?

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.

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Form-based quickscan View on NVD

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