CVE-2018-25021 · cross-distro fix matrix

CVE-2018-25021: The TCP Server module in toxcore before 0.2.8 doesn't free the TCP priority queue under certain conditions, which allows a remote attacker to exhaust the system's memory, causing a denial of service (DoS).

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-25021 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libtoxcore→ fixed in0.2.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libtoxcore
```

Debian bookworm

Source: Debian Security Tracker

libtoxcore→ fixed in0.2.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libtoxcore
```

Debian trixie

Source: Debian Security Tracker

libtoxcore→ fixed in0.2.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libtoxcore
```

Are YOU affected by CVE-2018-25021?

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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