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SUSE go1.26-openssl Important Root Escape TLS Issue Advisory 2026-22641-1

suse
Calendar Grey July 16, 2026
Scroller Suse
Critical security update for go1.26-openssl addresses two significant vulnerabilities on SUSE Linux Enterprise Server.
SUSE released a security update for go1.26-openssl addressing two vulnerabilities, adding features, and providing fixes for SUSE Linux Enterprise Server 16.0 products.

Summary

## This update for go1.26-openssl fixes the following issues * Update to version go1.26.5 (bsc#1255111). * CVE-2026-39822: os: Root escape via symlink plus trailing slash (bsc#1271014). * CVE-2026-42505: crypto/tls: omit PSK in ECH outer client hello (bsc#1271015). ## 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 16.0 zypper in -t patch SUSE-SLES-16.0-1225=1 * SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-1225=1 ## Package List: * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64) * go1.26-openssl-1.26.5-160000.1.1 * go1.26-openssl-race-1.26.5-160000.1.1

Topics%20covered

Topics Covered

security advisory SuSE important TLS root escape os

References

* bsc#1245878

* bsc#1255111

* bsc#1264395

* bsc#1271014

* bsc#1271015

* jsc#PED-1962

* jsc#SLE-18320

Cross-

* CVE-2026-39822

* CVE-2026-42505

CVSS scores:

* CVE-2026-39822 ( SUSE ): 7.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

* CVE-2026-39822 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-42505 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

* CVE-2026-42505 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Products:

* SUSE Linux Enterprise Server 16.0

* SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves two vulnerabilities, contains two features and has three

fixes can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-39822.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22641-1
Release Date: 2026-07-13T13:59:29Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important TLS root escape os

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