CVE-2003-1557 · cross-distro fix matrix

CVE-2003-1557: Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows remote attackers to execute arbitrary code via email containing headers with leading "." characters.

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

Fix per ecosystem

Each block below is a distro release where CVE-2003-1557 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

spamassassin→ fixed in3.1.7-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y spamassassin
```

Debian bookworm

Source: Debian Security Tracker

spamassassin→ fixed in3.1.7-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y spamassassin
```

Debian trixie

Source: Debian Security Tracker

spamassassin→ fixed in3.1.7-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y spamassassin
```

Are YOU affected by CVE-2003-1557?

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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