CVE-2005-2534 · cross-distro fix matrix

CVE-2005-2534: Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service (server crash) via simultaneous TCP connections from multiple clients that use the same client certificate.

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

Fix per ecosystem

Each block below is a distro release where CVE-2005-2534 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openvpn→ fixed in2.0.2-1urgency: high

sudo apt-get install --only-upgrade -y openvpn

Debian bookworm

Source: Debian Security Tracker

openvpn→ fixed in2.0.2-1urgency: high

sudo apt-get install --only-upgrade -y openvpn

Debian trixie

Source: Debian Security Tracker

openvpn→ fixed in2.0.2-1urgency: high

sudo apt-get install --only-upgrade -y openvpn

Are YOU affected by CVE-2005-2534?

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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