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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-35058

31
FAUCET Score

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.

First published: Jun 8, 2026Last modified: Jun 8, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.0, <= 2.6.19CPE match
cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
>= 2.7_alpha1, <= 2.7.1CPE match
cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.9MEDIUM

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
HIGH
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 51st percentile among its peer group of 144 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

ubuntupatch availablevia ubuntu_usn
Product: openvpn (jammy)Fixed in: 2.5.11-0ubuntu0.22.04.3
ubuntupatch availablevia ubuntu_usn
Product: openvpn (noble)Fixed in: 2.6.19-0ubuntu0.24.04.2
ubuntupatch availablevia ubuntu_usn
Product: openvpn (questing)Fixed in: 2.6.19-0ubuntu0.25.10.2
ubuntupatch availablevia ubuntu_usn
Product: openvpn (resolute)Fixed in: 2.7.0-1ubuntu1.1

Vendor Advisories (1)

ubuntuUSN-8286-1

OpenVPN vulnerabilities

May 20, 2026

References

talosintelligence.com / vulnerability_reports/TALOS-2026-2381
community.openvpn.net / ReleaseHistory
community.openvpn.net / ReleaseHistory
community.openvpn.net / Security%20Announcements/CVE-2026-35058