OESA-2026-3783

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Source

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-3783

Import Source

https://repo.openeuler.org/security/data/osv/OESA-2026-3783.json

JSON Data

https://api.osv.dev/v1/vulns/OESA-2026-3783

Upstream

CVE-2026-12996

Published

2026-09-14T16:34:19Z

Modified

2026-09-13T16:45:39Z

Severity

9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator

Summary

openvpn security update

Details

OpenVPN is a full-featured open source SSL VPN solution that accommodates a wide range of configurations, including remote access, site-to-site VPNs, Wi-Fi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls. Starting with the fundamental premise that complexity is the enemy of security, OpenVPN offers a cost-effective, lightweight alternative to other VPN technologies that is well-adapted for the SME and enterprise markets.

Security Fix(es):

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(CVE-2026-12996)

Database specific

{
    "severity": "Critical"
}

References

Affected packages

openEuler:20.03-LTS-SP4 / openvpn

Package

Name: openvpn
Purl: pkg:rpm/openEuler/openvpn&distro=openEuler-20.03-LTS-SP4

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

2.4.8-14.oe2003sp4

Ecosystem specific

{
    "aarch64": [
        "openvpn-2.4.8-14.oe2003sp4.aarch64.rpm",
        "openvpn-debuginfo-2.4.8-14.oe2003sp4.aarch64.rpm",
        "openvpn-debugsource-2.4.8-14.oe2003sp4.aarch64.rpm",
        "openvpn-devel-2.4.8-14.oe2003sp4.aarch64.rpm"
    ],
    "noarch": [
        "openvpn-help-2.4.8-14.oe2003sp4.noarch.rpm"
    ],
    "src": [
        "openvpn-2.4.8-14.oe2003sp4.src.rpm"
    ],
    "x86_64": [
        "openvpn-2.4.8-14.oe2003sp4.x86_64.rpm",
        "openvpn-debuginfo-2.4.8-14.oe2003sp4.x86_64.rpm",
        "openvpn-debugsource-2.4.8-14.oe2003sp4.x86_64.rpm",
        "openvpn-devel-2.4.8-14.oe2003sp4.x86_64.rpm"
    ]
}

Database specific

source

"https://repo.openeuler.org/security/data/osv/OESA-2026-3783.json"