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.
Published: 2026-10-14
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories
Source ID Title
Ubuntu USN Ubuntu USN USN-8852-1 OpenVPN vulnerabilities
History

Thu, 15 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
Title Use‑After‑Free in OpenVPN via Crafted TLS Packets

Wed, 14 Oct 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-416
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2026-10-14T14:29:04.851Z

Reserved: 2026-09-01T20:18:26.416Z

Link: CVE-2026-84471

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T15:17:26.077

Modified: 2026-10-15T20:38:04.303

Link: CVE-2026-84471

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T20:30:15Z

Weaknesses