CVE-2012-0862 · cross-distro fix matrix

CVE-2012-0862: builtins.c in Xinetd before 2.3.15 does not check the service type when the tcpmux-server service is enabled, which exposes all enabled services and allows remote attackers to bypass intended access restrictions via a request to tcpmux port 1.

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-0862 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

xinetd→ fixed in1:2.3.14-7.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xinetd
```

Debian bookworm

Source: Debian Security Tracker

xinetd→ fixed in1:2.3.14-7.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xinetd
```

Debian trixie

Source: Debian Security Tracker

xinetd→ fixed in1:2.3.14-7.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y xinetd
```

Are YOU affected by CVE-2012-0862?

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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