IP-DB.com
Türkçe English Deutsch Español
Log In Get API Key
8.7High

CVE-2026-84732

OpenVPN OpenVPN Published: (2 months ago)

Description

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow

Weakness (CWE): CWE-190

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
OpenVPN OpenVPN ≤ 2.6.22, ≤ 2.7.6

References and patches

Recent CVEs in the same product — OpenVPN

6.3Medium
CVE-2026-106017
OpenVPN OpenVPN 3 Core Library

Improper certificate validation in the OpenVPN 3 Core library version 3.4 through 3.11.7 allows attackers to circumvent extended key usage restrictions.

7.2High
CVE-2026-84471
OpenVPN OpenVPN

The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion…

7.1High
CVE-2026-88964
OpenVPN OpenVPN

An integer underflow in OpenVPN version 2.7_alpha3 through 2.7.7 on Windows and Android allows remote authenticated servers to cause a denial of service or memory disclosure via crafted domain search options

7.6High
CVE-2026-84790
OpenVPN OpenVPN

OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field

7.7High
CVE-2026-84256
OpenVPN OpenVPN

An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22 and 2.7_alpha1 through 2.7.7 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject

8.5High
CVE-2026-84226
OpenVPN OpenVPN

OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to perform a binary planting attack during network configuration steps