DEBIAN-CVE-2026-12996

See a problem?
Please try reporting it to the source first.
Source
https://security-tracker.debian.org/tracker/CVE-2026-12996
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12996.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2026-12996
Upstream
Published
2026-07-30T17:16:28Z
Modified
2026-09-01T16:06:27Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Debian:12 / openvpn

Package

Name
openvpn
Purl
pkg:deb/debian/openvpn?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.6.14-0+deb12u2

Affected versions

2.*
2.6.3-1
2.6.3-1+deb12u1~bpo11+1
2.6.3-1+deb12u1
2.6.3-1+deb12u2~bpo11+1
2.6.3-1+deb12u2
2.6.3-1+deb12u3
2.6.3-1+deb12u4
2.6.3-2
2.6.3-2.1
2.6.7-1
2.6.9-1
2.6.11-1
2.6.12-1
2.6.13-1
2.6.14-0+deb12u1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12996.json"

Debian:13 / openvpn

Package

Name
openvpn
Purl
pkg:deb/debian/openvpn?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.6.14-1+deb13u3

Affected versions

2.*
2.6.14-1
2.6.14-1+deb13u1
2.6.14-1+deb13u2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12996.json"

Debian:14 / openvpn

Package

Name
openvpn
Purl
pkg:deb/debian/openvpn?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.7.5-1

Affected versions

2.*
2.6.14-1
2.6.14-2
2.6.15-1
2.7.0~alpha1-1
2.7.0~alpha2-1
2.7.0~alpha3-1
2.7.0~beta1-1
2.7.0~beta2-1
2.7.0~beta3-1
2.7.0~rc1-1
2.7.0~rc2-1
2.7.0~rc2-2
2.7.0~rc3-1
2.7.0~rc4-1
2.7.0~rc5-1
2.7.0~rc6-1
2.7.0-1~bpo13+1
2.7.0-1
2.7.1-1~bpo13+1
2.7.1-1
2.7.2-1~bpo13+1
2.7.2-1
2.7.3-1
2.7.5-1~bpo13+1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12996.json"