CVE catalog

CVE-2021-3606

openvpn: CVE-2021-3606

Severity: Low
Source: [NVD] · [CVE record]
EPSS: 0.34% · Oct 25, 2026

OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (openvpn.exe).

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	openvpn	sid	`2.7.8-1`	not affected
Debian	openvpn	forky	`2.7.8-1`	not affected
Debian	openvpn	trixie	`2.6.14-1+deb13u3`	not affected
Debian	openvpn	trixie-security	`2.6.14-1+deb13u3`	not affected
Debian	openvpn	bookworm	`2.6.14-0+deb12u2`	not affected
Debian	openvpn	bookworm-security	`2.6.14-0+deb12u2`	not affected

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	openvpn	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	openvpn	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	openvpn	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	openvpn	source	bookworm	`Not affected`	unimportant	Not reported	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[openvpn]Unknown
Details (4)
- 2.6.14-0+deb12u2 · amd64 · bookworm
  Not affected
  dsa · openvpn · debian · bookworm
- 2.6.14-0+deb12u2 · arm64 · bookworm
  Not affected
  dsa · openvpn · debian · bookworm
- 2.6.14-0+deb12u2 · amd64 · bookworm-security
  Not affected
  dsa · openvpn · debian · bookworm
- 2.6.14-0+deb12u2 · arm64 · bookworm-security
  Not affected
  dsa · openvpn · debian · bookworm

Observed: Oct 23, 2026, 5:58:41 PM UTC

References

[https://security-tracker.debian.org/tracker/CVE-2021-3606]

[Debian Security Tracker] · [FIRST EPSS]