Out-of-bounds Read in Openvpn

CVE-2026-12996

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

Vulnerability class: Buffer Overflow

Affected products

  • Openvpn — versions 2.6.0, 2.7_alpha1

Weakness classification (CWE)

References