CVE-2003-0540 · cross-distro fix matrix

CVE-2003-0540: The address parser code in Postfix 1.1.12 and earlier allows remote attackers to cause a denial of service (lock) via (1) a malformed envelope address to a local host that would generate a bounce and contains the ".!" string in the MAIL FROM or Errors-To headers, which causes nqmgr to lock up, or (2

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

Fix per ecosystem

Each block below is a distro release where CVE-2003-0540 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

postfix→ fixed in1.1.12urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postfix
```

Debian bookworm

Source: Debian Security Tracker

postfix→ fixed in1.1.12urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postfix
```

Debian trixie

Source: Debian Security Tracker

postfix→ fixed in1.1.12urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postfix
```

Are YOU affected by CVE-2003-0540?

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