CVE-2005-3409 · cross-distro fix matrix

CVE-2005-3409: OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service (segmentation fault) by forcing the accept function call to return an error status, which leads to a null dereference in an exception handler.

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

Fix per ecosystem

Each block below is a distro release where CVE-2005-3409 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openvpn→ fixed in2.0.5-1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

openvpn→ fixed in2.0.5-1urgency: low

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

Debian trixie

Source: Debian Security Tracker

openvpn→ fixed in2.0.5-1urgency: low

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

Are YOU affected by CVE-2005-3409?

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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