CVE-2019-12209 · cross-distro fix matrix

CVE-2019-12209: Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile (default $HOME/.config/Yubico/u2f_keys) as root (unless openasuser was enabled), and does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the debug option is enabled in the PAM c

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-12209 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pam-u2f→ fixed in1.0.8-1urgency: low

sudo apt-get install --only-upgrade -y pam-u2f

Debian bookworm

Source: Debian Security Tracker

pam-u2f→ fixed in1.0.8-1urgency: low

sudo apt-get install --only-upgrade -y pam-u2f

Debian trixie

Source: Debian Security Tracker

pam-u2f→ fixed in1.0.8-1urgency: low

sudo apt-get install --only-upgrade -y pam-u2f

Are YOU affected by CVE-2019-12209?

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

CVE-2019-12209dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)