OFFICIAL REMEDIATION GUIDE

How to Patch PHP2Shell on Debian 12 (Bookworm) & 11 (Bullseye)

Debian security advisory response guide for CVE-2026-109618 and CVE-2026-109619. Update through Debian security trackers and restart FPM worker pools.

Debian security updates are distributed through official security repositories (security.debian.org). Follow these steps to secure Debian 12 Bookworm and Debian 11 Bullseye installations.

Step 1: Verify Debian Security Repositories

Ensure /etc/apt/sources.list includes official security mirrors:

cat /etc/apt/sources.list | grep -i security

Step 2: Update Packages via apt-get

Refresh repository indexes and apply the security updates:

sudo apt-get update
sudo apt-get --only-upgrade install php*-common php*-fpm

Step 3: Confirm Process Restart

Reload systemd daemons and restart web server handlers:

sudo systemctl restart php*-fpm apache2

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