openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service
Published May 1, 2018
7.8
HIGHCVSS 3.0
EPSS 0.60%
Description
openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service. This could cause a denial-of-service through memory corruption or possibly have unspecified other impact including privilege escalation.
Affected products
No data.
Configuration 2
- 13.0
- 13.1
- 13.37
- 14.0
- 14.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.60% (0.00598) | 46.69th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.60% (0.00598) | 47.31th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.54% (0.00544) | 12.66th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.54% (0.00544) | 0.00th | v1 |
References (5)
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 vendor-advisoryx_refsource_SLACKWAREMailing ListThird Party Advisory
- https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 x_refsource_CONFIRMRelease NotesVendor Advisory
- https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 x_refsource_CONFIRMRelease NotesThird Party Advisory
- https://www.tenable.com/security/research/tra-2018-09 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 | vendor-advisoryx_refsource_SLACKWAREMailing ListThird Party Advisory | |
| https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 | x_refsource_CONFIRMRelease NotesThird Party Advisory | |
| https://www.tenable.com/security/research/tra-2018-09 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.