6.9

CVE-2026-35058

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerOpenVPN
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Produkt OpenVPN
Default Statusunaffected
Version <= 2.6.19
Version 2.6.0
Status affected
Version <= 2.7.1
Version 2.7_alpha1
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.233
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security@openvpn.net 6.9 0 0
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
CWE-617 Reachable Assertion

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

https://community.openvpn.net/Security%20Announcements/CVE-2026-35058
https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026
https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381