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SUSE go1.25 Important Root Escape and URL Issues Vuln 2026-22643-1

suse
Calendar Grey July 16, 2026
Scroller Suse
SUSE's important security update for go1.25 addresses five vulnerabilities with fixes for enhanced stability.
SUSE released a security update for go1.25 addressing five vulnerabilities, updating to version 1.25.12, and providing installation instructions for affected SUSE Linux Enterprise ...

Summary

## This update for go1.25 fixes the following issues * Update to version go1.25.12 (bsc#1244485). * CVE-2026-25679: net/url: reject IPv6 literal not at start of host (bsc#1259264). * CVE-2026-27139: os: FileInfo can escape from a Root (bsc#1259268). * CVE-2026-27142: html/template: URLs in meta content attribute actions are not escaped (bsc#1259265). * 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 for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-1228=1

Topics%20covered

Topics Covered

security advisory SuSE vulnerability important feature go1.25

References

* bsc#1244485

* bsc#1245878

* bsc#1259264

* bsc#1259265

* bsc#1259268

* bsc#1264394

* bsc#1271014

* bsc#1271015

* jsc#PED-1962

Cross-

* CVE-2026-25679

* CVE-2026-27139

* CVE-2026-27142

* CVE-2026-39822

* CVE-2026-42505

CVSS scores:

* CVE-2026-25679 ( SUSE ): 4.6

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

* CVE-2026-25679 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

* CVE-2026-25679 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-25679 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-27139 ( SUSE ): 4.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

* CVE-2026-27139 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22643-1
Release Date: 2026-07-13T14:32:00Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE vulnerability important feature go1.25

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