CVE-2002-2443 · cross-distro fix matrix

CVE-2002-2443: schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does not properly validate UDP packets before sending responses, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged packet that triggers a communication loop, as

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

EPSS:6.5% · 30-day exploit probability93th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2002-2443 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

krb5→ fixed in1.10.1+dfsg-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y krb5
```

Debian bookworm

Source: Debian Security Tracker

krb5→ fixed in1.10.1+dfsg-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y krb5
```

Debian trixie

Source: Debian Security Tracker

krb5→ fixed in1.10.1+dfsg-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y krb5
```

Are YOU affected by CVE-2002-2443?

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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