CVE-2003-1029 · cross-distro fix matrix

CVE-2003-1029: The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.

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

Fix per ecosystem

Each block below is a distro release where CVE-2003-1029 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

tcpdump→ fixed in3.8.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tcpdump
```

Debian bookworm

Source: Debian Security Tracker

tcpdump→ fixed in3.8.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tcpdump
```

Debian trixie

Source: Debian Security Tracker

tcpdump→ fixed in3.8.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tcpdump
```

Are YOU affected by CVE-2003-1029?

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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