Vulnerability in Openvpn
CVE-2026-12932
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
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.004 · change: -0.003
Affected products
- Openvpn — versions 2.5.0, 2.7_alpha1
Weakness classification (CWE)
References
- community.openvpn.net/Security Announcements/CVE-2026-12932 (vendor-advisory, Vendor Advisory)
- community.openvpn.net/ReleaseHistory (release-notes, Release Notes)
- community.openvpn.net/ReleaseHistory (release-notes, Release Notes)
Frequently asked questions
- What is CVE-2026-12932?
- CVE-2026-12932 is a high-severity vulnerability in Openvpn, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 8.1/10. Published 2026-07-30.
- How severe is CVE-2026-12932?
- High severity. CVSS v3 base score is 8.1 out of 10.