CVE-2009-2939 · cross-distro fix matrix

CVE-2009-2939: The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-2939 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

postfix→ fixed in2.6.5-3urgency: low

sudo apt-get install --only-upgrade -y postfix

Debian bookworm

Source: Debian Security Tracker

postfix→ fixed in2.6.5-3urgency: low

sudo apt-get install --only-upgrade -y postfix

Debian trixie

Source: Debian Security Tracker

postfix→ fixed in2.6.5-3urgency: low

sudo apt-get install --only-upgrade -y postfix

Are YOU affected by CVE-2009-2939?

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

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