CVE-2017-7478 · cross-distro fix matrix

CVE-2017-7478: OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-7478 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openvpn→ fixed in2.4.0-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openvpn
```

Debian bookworm

Source: Debian Security Tracker

openvpn→ fixed in2.4.0-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openvpn
```

Debian trixie

Source: Debian Security Tracker

openvpn→ fixed in2.4.0-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openvpn
```

Are YOU affected by CVE-2017-7478?

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.

curl https://mindsparkstack.com/scan.sh | bash

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