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CVE-2026-12932

OpenVPN · denial of service

CVSS 4.0 7.1 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-12932

Published

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-12932

Published

OpenVPN

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "OpenVPN",
                    "product": "OpenVPN",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.5.0",
                            "lessThanOrEqual": "2.6.20",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "2.7_alpha1",
                            "lessThanOrEqual": "2.7.4",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON