CVE-2006-4447 · cross-distro fix matrix

CVE-2006-4447: X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls when attempting to drop privileges, which might allow local users to gain privileges by causing those calls to fail, such as by exceeding a ulimit.

Affects 3 Linux releases across 12 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2006-4447 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libx11→ fixed in2:1.0.0-7urgency: unimportant
```
sudo apt-get install --only-upgrade -y libx11
```
xdm→ fixed in1:1.0.5-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y xdm
```

xorg-server→ fixed in1:1.0.2-9urgency: low

sudo apt-get install --only-upgrade -y xorg-server

xtrans→ fixed in1.0.0-6urgency: unimportant

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

Debian bookworm

Source: Debian Security Tracker

libx11→ fixed in2:1.0.0-7urgency: unimportant
```
sudo apt-get install --only-upgrade -y libx11
```
xdm→ fixed in1:1.0.5-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y xdm
```

xorg-server→ fixed in1:1.0.2-9urgency: low

sudo apt-get install --only-upgrade -y xorg-server

xtrans→ fixed in1.0.0-6urgency: unimportant

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

Debian trixie

Source: Debian Security Tracker

libx11→ fixed in2:1.0.0-7urgency: unimportant
```
sudo apt-get install --only-upgrade -y libx11
```
xdm→ fixed in1:1.0.5-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y xdm
```

xorg-server→ fixed in1:1.0.2-9urgency: low

sudo apt-get install --only-upgrade -y xorg-server

xtrans→ fixed in1.0.0-6urgency: unimportant

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

Are YOU affected by CVE-2006-4447?

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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