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SUSE 2026-2327-1 Go1.26 Moderate Security Fix for Input Issues

suse
Calendar Grey June 10, 2026
Dist Suse Esm H88
SUSE security update fixes multiple issues in go1.26, enhancing system stability and security.
An update that solves three vulnerabilities and has one security fix can now be installed.

Summary

## This update for go1.26 fixes the following issues Update to go1.26.4 (bsc#1255111): * CVE-2026-27145: crypto/x509: split candidate hostname only once (bsc#1267450). * CVE-2026-42504: mime: quadratic complexity in WordDecoder.DecodeHeader (bsc#1267442). * CVE-2026-42507: net/textproto: arbitrary input are included in errors without any escaping (bsc#1267444). Changes: * go#79230 go#79217 boo#1267442 security: fix CVE-2026-42504 mime: quadratic complexity in WordDecoder.DecodeHeader * go#79426 go#79346 boo#1267444 security: fix CVE-2026-42507 net/textproto: arbitrary input are included in errors without any escaping * go#79701 go#79694 boo#1267450 security: fix CVE-2026-27145 crypto/x509: split candidate hostname only once

Topics%20covered

Topics Covered

security advisory moderate security issue SuSE arbitrary input go1.26

References

* bsc#1255111

* bsc#1267442

* bsc#1267444

* bsc#1267450

Cross-

* CVE-2026-27145

* CVE-2026-42504

* CVE-2026-42507

CVSS scores:

* CVE-2026-27145 ( SUSE ): 4.6

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

* CVE-2026-27145 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-27145 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-42504 ( SUSE ): 6.9

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

* CVE-2026-42504 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2026-42504 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-42507 ( SUSE ): 6.9

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

Severity
moderate
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2026:2327-1
Release Date: 2026-06-09T19:06:53Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security issue SuSE arbitrary input go1.26

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