CVE-2009-1756 · cross-distro fix matrix

CVE-2009-1756: SLiM Simple Login Manager 1.3.0 places the X authority magic cookie (mcookie) on the command line when invoking xauth from (1) app.cpp and (2) switchuser.cpp, which allows local users to access the X session by listing the process and its arguments.

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-1756 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

slim→ fixed in1.3.1-2urgency: low

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

Debian bookworm

Source: Debian Security Tracker

slim→ fixed in1.3.1-2urgency: low

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

Debian trixie

Source: Debian Security Tracker

slim→ fixed in1.3.1-2urgency: low

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

Are YOU affected by CVE-2009-1756?

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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