Description
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
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4666-1 | openvpn security update |
Debian DSA |
DSA-6376-1 | openvpn security update |
Ubuntu USN |
USN-8540-1 | OpenVPN vulnerabilities |
References
History
Thu, 30 Jul 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Openvpn
Openvpn openvpn |
|
| Vendors & Products |
Openvpn
Openvpn openvpn |
Thu, 30 Jul 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 | |
| Weaknesses | CWE-401 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: OpenVPN
Published:
Updated: 2026-07-30T18:05:58.903Z
Reserved: 2026-06-22T18:02:22.701Z
Link: CVE-2026-12932
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OpenCVE Enrichment
Updated: 2026-07-30T19:00:09Z
Weaknesses
Debian DLA
Debian DSA
Ubuntu USN