OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4666-1 | openvpn security update |
Debian DSA |
DSA-6376-1 | openvpn security update |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 06 Jul 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Openvpn
Openvpn openvpn |
|
| Vendors & Products |
Openvpn
Openvpn openvpn |
Mon, 06 Jul 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 06 Jul 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled | |
| Weaknesses | CWE-617 | |
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: OpenVPN
Published:
Updated: 2026-07-06T15:51:50.731Z
Reserved: 2026-06-23T22:11:24.264Z
Link: CVE-2026-13122
Updated: 2026-07-06T15:51:47.740Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-06T16:30:03Z
Weaknesses
Debian DLA
Debian DSA