CVE-2012-6711 · cross-distro fix matrix

CVE-2012-6711: A heap-based buffer overflow exists in GNU Bash before 4.3 when wide characters, not supported by the current locale set in the LC_CTYPE environment variable, are printed through the echo built-in function. A local attacker, who can provide data to print through the "echo -e" built-in function, may

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-6711 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

bash→ fixed in4.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bash
```

Debian bookworm

Source: Debian Security Tracker

bash→ fixed in4.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bash
```

Debian trixie

Source: Debian Security Tracker

bash→ fixed in4.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bash
```

Are YOU affected by CVE-2012-6711?

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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