SUSE-SU-2026:24220-1: important: Security update for openvpn
SLE-SECURITY-UPDATES
null at suse.de
Tue Oct 20 20:44:32 UTC 2026
# Security update for openvpn
Announcement ID: SUSE-SU-2026:24220-1
Release Date: 2026-10-09T12:16:22Z
Rating: important
References:
* bsc#1267944
* bsc#1267945
* bsc#1273126
* bsc#1273127
* bsc#1273128
* bsc#1273129
* bsc#1273130
* bsc#1275310
* bsc#1279613
Cross-References:
* CVE-2026-11771
* CVE-2026-12932
* CVE-2026-12996
* CVE-2026-13117
* CVE-2026-13379
* CVE-2026-35058
* CVE-2026-40215
* CVE-2026-63650
* CVE-2026-84732
CVSS scores:
* CVE-2026-11771 ( SUSE ): 7.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
* CVE-2026-11771 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H
* CVE-2026-11771 ( NVD ): 7.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-11771 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-12932 ( SUSE ): 7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-12932 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-12932 ( NVD ): 7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-12932 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-12996 ( SUSE ): 6.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-12996 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
* CVE-2026-12996 ( NVD ): 6.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-12996 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-13117 ( SUSE ): 6.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-13117 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
* CVE-2026-13117 ( NVD ): 6.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-13117 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-13379 ( SUSE ): 5.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:L/SC:H/SI:N/SA:H
* CVE-2026-13379 ( SUSE ): 7.7 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:H
* CVE-2026-13379 ( NVD ): 5.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:L/SC:H/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-13379 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-35058 ( SUSE ): 6.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-35058 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-35058 ( NVD ): 6.9
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-35058 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-40215 ( SUSE ): 6.1
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-40215 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-40215 ( NVD ): 6.1
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-40215 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-63650 ( SUSE ): 2.3
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
* CVE-2026-63650 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
* CVE-2026-63650 ( NVD ): 2.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-84732 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-84732 ( NVD ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Affected Products:
* SUSE Linux Enterprise Server 16.0
* SUSE Linux Enterprise Server for SAP applications 16.0
An update that solves nine vulnerabilities can now be installed.
## Description:
This update for openvpn fixes the following issues:
* CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126).
* CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127).
* CVE-2026-12996: Potential DoS and memory leak via TLS session use-after-free
(bsc#1273128).
* CVE-2026-13117: Heap use-after-free via incomplete guard in
check_session_buf_not_used() (bsc#1273129).
* CVE-2026-13379: Windows interactive service DNS SearchList state pollution
(bsc#1273130).
* CVE-2026-35058: improper validation of packet length can lead to a denial of
service (bsc#1267945).
* CVE-2026-40215: race condition during TLS session promotion can lead to a
use-after-free (bsc#1267944).
* CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote
authenticated users to be misidentified by ignoring the configured X.509
username identity lookup field (bsc#1275310).
* CVE-2026-84732: Remote Denial of Service via crafted ACK packets
(bsc#1279613).
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Server for SAP applications 16.0
zypper in -t patch SUSE-SLES-16.0-1885
* SUSE Linux Enterprise Server 16.0
zypper in -t patch SUSE-SLES-16.0-1885
## Package List:
* SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
* openvpn-auth-pam-plugin-2.6.10-160000.5.1
* openvpn-devel-2.6.10-160000.5.1
* openvpn-debuginfo-2.6.10-160000.5.1
* openvpn-2.6.10-160000.5.1
* openvpn-down-root-plugin-debuginfo-2.6.10-160000.5.1
* openvpn-auth-pam-plugin-debuginfo-2.6.10-160000.5.1
* openvpn-down-root-plugin-2.6.10-160000.5.1
* openvpn-debugsource-2.6.10-160000.5.1
* SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
* openvpn-auth-pam-plugin-2.6.10-160000.5.1
* openvpn-devel-2.6.10-160000.5.1
* openvpn-debuginfo-2.6.10-160000.5.1
* openvpn-2.6.10-160000.5.1
* openvpn-down-root-plugin-debuginfo-2.6.10-160000.5.1
* openvpn-auth-pam-plugin-debuginfo-2.6.10-160000.5.1
* openvpn-down-root-plugin-2.6.10-160000.5.1
* openvpn-debugsource-2.6.10-160000.5.1
## References:
* https://www.suse.com/security/cve/CVE-2026-11771.html
* https://www.suse.com/security/cve/CVE-2026-12932.html
* https://www.suse.com/security/cve/CVE-2026-12996.html
* https://www.suse.com/security/cve/CVE-2026-13117.html
* https://www.suse.com/security/cve/CVE-2026-13379.html
* https://www.suse.com/security/cve/CVE-2026-35058.html
* https://www.suse.com/security/cve/CVE-2026-40215.html
* https://www.suse.com/security/cve/CVE-2026-63650.html
* https://www.suse.com/security/cve/CVE-2026-84732.html
* https://bugzilla.suse.com/show_bug.cgi?id=1267944
* https://bugzilla.suse.com/show_bug.cgi?id=1267945
* https://bugzilla.suse.com/show_bug.cgi?id=1273126
* https://bugzilla.suse.com/show_bug.cgi?id=1273127
* https://bugzilla.suse.com/show_bug.cgi?id=1273128
* https://bugzilla.suse.com/show_bug.cgi?id=1273129
* https://bugzilla.suse.com/show_bug.cgi?id=1273130
* https://bugzilla.suse.com/show_bug.cgi?id=1275310
* https://bugzilla.suse.com/show_bug.cgi?id=1279613
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