CVE-2013-6171 · cross-distro fix matrix

CVE-2013-6171: checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response

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

Fix per ecosystem

Each block below is a distro release where CVE-2013-6171 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

dovecot→ fixed in1:2.2.9-1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

dovecot→ fixed in1:2.2.9-1urgency: low

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

Debian trixie

Source: Debian Security Tracker

dovecot→ fixed in1:2.2.9-1urgency: low

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

Are YOU affected by CVE-2013-6171?

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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