CVE-2026-84471

High

Description

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 or expiry.

SeverityHigh

CVSS7.2

Exploit probability—

ProductOpenVPN

PublishedOct 14, 2026

First seenOct 14, 2026

Weakness typeCWE-416Use after free

How to fix

Vendor advisories

community.openvpn.net/Security%20Announcements/CVE-2026-84471

Affected products

Product	Affected versions	Fixed in
OpenVPN OpenVPN	2.6.0 ≤ v ≤ 2.6.22, 2.7_alpha1 ≤ v ≤ 2.7.7	—

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