High severity8.1NVD Advisory· Published Jul 30, 2026· Updated Aug 5, 2026
CVE-2026-12996
CVE-2026-12996
Description
A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry
Affected products
1Patches
Vulnerability mechanics
References
4- community.openvpn.net/Security%20Announcements/CVE-2026-12996nvdVendor Advisory
- lists.debian.org/debian-lts-announce/2026/07/msg00013.htmlnvdMailing ListThird Party Advisory
- community.openvpn.net/ReleaseHistorynvdRelease Notes
- community.openvpn.net/ReleaseHistorynvdRelease Notes
News mentions
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