DEBIAN-CVE-2026-40215

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Source
https://security-tracker.debian.org/tracker/CVE-2026-40215
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40215.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-40215
Upstream
Published
2026-06-08T21:16:45Z
Modified
2026-09-14T17:03:28Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.

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+deb12u1

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40215.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+deb13u2

Affected versions

2.*
2.6.14-1
2.6.14-1+deb13u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40215.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
2.7.2-1

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40215.json"