CVE-2026-35058CWE-617

CVE-2026-35058

Medium · published June 9, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
44.7
In the wild
Unconfirmed
What it is

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00541 · 44.7th percentile
Weakness
CWE-617 · Reachable Assertion
Published
2026-06-09T00:17Z
Affected products (2)
ProductVersionsFixed in
openvpn/openvpn≥ 2.6.0, < 2.6.202.6.20
openvpn/openvpn≥ 2.7, < 2.7.22.7.2
References (4)
https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026 · [email protected]https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026 · [email protected]https://community.openvpn.net/Security%20Announcements/CVE-2026-35058 · [email protected]https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 08 JUN 19:29Z
    Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated…
    cvelistv5