CVE-2026-12932
7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
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
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OpenVPN | OpenVPN | 2.5.0 <= 2.6.20 | affected |
| OpenVPN | OpenVPN | 2.7_alpha1 <= 2.7.4 | affected |
Weaknesses
- CWE-401: CWE-401 Missing release of memory after effective lifetime
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://community.openvpn.net/Security%20Announcements/CVE-2026-12932
- https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026
- https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026
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