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Permalink CVE-2026-13379

5.1 MEDIUM

CVSS version (CVSS): 4.0
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Attack Requirement (AT): Present (P)
Privileges Required (PR): Low (L)
User Interaction (UI): Passive (P)
Vulnerable System Impact Confidentiality (VC): Low (L)
Vulnerable System Impact Integrity (VI): None (N)
Vulnerable System Impact Availability (VA): Low (L)
Subsequent System Impact Confidentiality (SC): High (H)
Subsequent System Impact Integrity (SI): None (N)
Subsequent System Impact Availability (SA): High (H)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): Low (L)
Modified Attack Requirement (MAT): Present (P)
Modified Privileges Required (MPR): Low (L)
Modified User Interaction (MUI): Passive (P)
Modified Vulnerable System Impact Confidentiality (MVC): Low (L)
Modified Vulnerable System Impact Integrity (MVI): None (N)
Modified Vulnerable System Impact Availability (MVA): Low (L)
Modified Subsequent System Impact Confidentiality (MSC): High (H)
Modified Subsequent System Impact Integrity (MSI): Negligible (N)
Modified Subsequent System Impact Availability (MSA): High (H)
Safety (S): Not Defined (X)
Automatable (AU): Not Defined (X)
Recovery (R): Not Defined (X)
Value Density (V): Not Defined (X)
Vulnerability Response Effort (RE): Not Defined (X)
Provider Urgency (U): Not Defined (X)
Confidentiality Req. (CR): Not Defined (X)
Integrity Req. (IR): Not Defined (X)
Availability Req. (AR): Not Defined (X)
Exploit Maturity (E): Not Defined (X)

created 5 days, 6 hours ago Activity log

Created suggestion 5 days, 6 hours ago

The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows …

The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process

References

https://community.openvpn.net/Security%20Announcements/CVE-2026-13379 vendor-advisory
https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026 release-notes

Affected products

OpenVPN

=<2.7.4

Matching in nixpkgs

pkgs.openvpn

Robust and highly flexible tunneling application

nixos-unstable 2.6.19
- nixpkgs-unstable 2.6.19
- nixos-unstable-small 2.6.21
nixos-26.05 2.6.19
- nixos-26.05-small 2.6.21
- nixpkgs-26.05-darwin 2.6.19

pkgs.openvpn3

OpenVPN 3 Linux client

nixos-unstable 27
- nixpkgs-unstable 27
- nixos-unstable-small 27.1
nixos-26.05 27
- nixos-26.05-small 27.1
- nixpkgs-26.05-darwin 27

pkgs.openvpn-auth-ldap

LDAP authentication plugin for OpenVPN

nixos-unstable 2.0.4
- nixpkgs-unstable 2.0.4
- nixos-unstable-small 2.0.4
nixos-26.05 2.0.4
- nixos-26.05-small 2.0.4
- nixpkgs-26.05-darwin 2.0.4

pkgs.namespaced-openvpn

Network namespace isolation for OpenVPN tunnels

nixos-unstable 0.6.0
- nixpkgs-unstable 0.6.0
- nixos-unstable-small 0.6.0
nixos-26.05 0.6.0
- nixos-26.05-small 0.6.0
- nixpkgs-26.05-darwin 0.6.0

pkgs.openvpn_learnaddress

Openvpn learn-address script to manage a hosts-like file

nixos-unstable 2013-10-21
- nixpkgs-unstable 2013-10-21
- nixos-unstable-small 2013-10-21
nixos-26.05 2013-10-21
- nixos-26.05-small 2013-10-21
- nixpkgs-26.05-darwin 2013-10-21