CVE-2006-6171 · cross-distro fix matrix

CVE-2006-6171: ProFTPD 1.3.0a and earlier does not properly set the buffer size limit when CommandBufferSize is specified in the configuration file, which leads to an off-by-two buffer underflow. NOTE: in November 2006, the role of CommandBufferSize was originally associated with CVE-2006-5815, but this was an er

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

Fix per ecosystem

Each block below is a distro release where CVE-2006-6171 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

proftpd-dfsg→ fixed in1.3.0-13urgency: low

sudo apt-get install --only-upgrade -y proftpd-dfsg

Debian bookworm

Source: Debian Security Tracker

proftpd-dfsg→ fixed in1.3.0-13urgency: low

sudo apt-get install --only-upgrade -y proftpd-dfsg

Debian trixie

Source: Debian Security Tracker

proftpd-dfsg→ fixed in1.3.0-13urgency: low

sudo apt-get install --only-upgrade -y proftpd-dfsg

Are YOU affected by CVE-2006-6171?

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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