CVE-2020-36326 · cross-distro fix matrix

CVE-2020-36326: PHPMailer 6.1.8 through 6.4.0 allows object injection through Phar Deserialization via addAttachment with a UNC pathname. NOTE: this is similar to CVE-2018-19296, but arose because 6.1.8 fixed a functionality problem in which UNC pathnames were always considered unreadable by PHPMailer, even in safe

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-36326 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libphp-phpmailer→ fixed in6.2.0-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libphp-phpmailer
```

Debian bookworm

Source: Debian Security Tracker

libphp-phpmailer→ fixed in6.2.0-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libphp-phpmailer
```

Debian trixie

Source: Debian Security Tracker

libphp-phpmailer→ fixed in6.2.0-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libphp-phpmailer
```

Are YOU affected by CVE-2020-36326?

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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