CVE-2026-84732

high Red Hat
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: September 7, 2026 (3 days ago)
Last Modified: September 7, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in OpenVPN. Remote unauthenticated attackers can cause a denial of service by sending specially crafted network inputs. These inputs trigger a timeout integer overflow during the retransmission of acknowledgment (ACK) packet IDs, which can make the OpenVPN service unavailable.

CWE

CWE-190

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 community.openvpn.net