Vulnerability 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
CVSS Score
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openvpn | Openvpn | >= 2.5.0, < 2.6.21 |
Related Weaknesses (CWE)
References
- https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026Release Notes
- https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026Release Notes
- https://community.openvpn.net/Security%20Announcements/CVE-2026-12932Vendor Advisory
FAQ
What is CVE-2026-12932?
CVE-2026-12932 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 floo...
How severe is CVE-2026-12932?
CVE-2026-12932 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-12932?
Check the references section above for vendor advisories and patch information. Affected products include: Openvpn Openvpn.