Findings

CVE-2026-84471

The fix for CVE-2026-12996 was incomplete.

Published Oct 14, 2026 · updated Oct 14, 2026

The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · NIST NVD

    Detected

    The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry.

  2. Oct 14, 2026 · OSV.dev

    Fix available

    openvpn fixed in 2.7.7-1

  3. Oct 14, 2026 · OSV.dev

    Fix available

    openvpn fixed in 2.7.7-1

  4. Oct 14, 2026 · OSV.dev

    Updated

    The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry.

Affected

  • Debian:12 openvpn2.6.11-1, 2.6.12-1, 2.6.13-1
  • Debian:13 openvpn2.6.14-1, 2.6.14-1+deb13u1, 2.6.14-1+deb13u2
  • Debian:14 openvpn0 → 2.7.7-1

Sources

  • CVE.orgCVE-2026-84471

    Official CVE identifier

    cve.org
  • NIST NVDCVE-2026-84471

    The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry.

    nvd.nist.gov
  • OSV.devDEBIAN-CVE-2026-84471
    osv.dev

References