CVE-2025-2704 · cross-distro fix matrix

CVE-2025-2704: OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase

Affects 6 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-2704 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

openvpn→ fixed in2.6.3-1+deb12u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openvpn
```

Debian trixie

Source: Debian Security Tracker

openvpn→ fixed in2.6.14-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openvpn
```

Alpine v3.20

Source: Alpine secdb

openvpn→ fixed in2.6.16-r0
```
apk update && apk add --upgrade openvpn
```

Alpine v3.21

Source: Alpine secdb

openvpn→ fixed in2.6.14-r0
```
apk update && apk add --upgrade openvpn
```

Alpine edge

Source: Alpine secdb

openvpn→ fixed in2.6.14-r0
```
apk update && apk add --upgrade openvpn
```

Alpine v3.19

Source: Alpine secdb

openvpn→ fixed in2.6.16-r0
```
apk update && apk add --upgrade openvpn
```

Are YOU affected by CVE-2025-2704?

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

Form-based quickscan View on NVD

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