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Vulnerabilities

Vulnerability · CVE-2026-84471

The fix for CVE-2026-12996 was incomplete.

Published Oct 14, 2026 · catalog updated Oct 14, 2026 · The fix for was

Check if you run it

No confirmed exploitation is on record for CVE-2026-84471. EPSS is 0.41%. Act only if a listed version of The fix for was is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The fix for was).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.41%
Remediation
Advisory link
Affected products
Debian:12 openvpn · Debian:13 openvpn · Debian:14 openvpn

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • 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

How to fix CVE-2026-84471

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-84471. EPSS is 0.41%. Act only if a listed version of The fix for was is installed.

Which versions are affected?

Compare what you have installed with 2.6.11-1, 2.6.12-1, 2.6.13-1, 2.6.14-1, 2.6.14-1+deb13u1, 2.6.14-1+deb13u2, 0 → 2.7.7-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-416: Use After Free. EPSS 0.41%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

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 · OpenSSF OSV / OSV Scanner

    Fix available

    openvpn fixed in 2.7.7-1

  3. Oct 14, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    openvpn fixed in 2.7.7-1

  4. Oct 14, 2026 · OpenSSF OSV / OSV Scanner

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-84471

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-84471

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-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
  • OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2026-84471
    osv.dev

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.