SUSE Linux Enterprise Server 16.0 ovmf Important 2026-22016-1
suse
June 8, 2026
An update that solves four vulnerabilities can now be installed.
Summary
## This update for ovmf fixes the following issues: * CVE-2026-25833: mbedtls: buffer overflow in the `x509_inet_pton_ipv6()` function (bsc#1261476). * CVE-2026-25834: mbedtls: client accepts signature algorithm chosen by server even if not advertised in client hello (bsc#1261477). * CVE-2026-25835: mbedtls: no pseudo-random number generator reseed when cloning an application (bsc#1261478). * CVE-2026-34874: mbedtls: NULL pointer dereference in distinguished name parsing (bsc#1261469). ## 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-16.0-865=1
Topics Covered
References
* bsc#1261469
* bsc#1261476
* bsc#1261477
* bsc#1261478
Cross-
* CVE-2026-25833
* CVE-2026-25834
* CVE-2026-25835
* CVE-2026-34874
CVSS scores:
* CVE-2026-25833 ( SUSE ): 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:N
* CVE-2026-25833 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-25833 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-25834 ( SUSE ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2026-25834 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
* CVE-2026-25834 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
* CVE-2026-25835 ( SUSE ): 8.5
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
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Announcement ID: SUSE-SU-2026:22016-1
Release Date: 2026-06-02T09:29:38Z
Rating: important
Topics Covered
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