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SUSE Linux Micro Python Tornado6 Important Security Update 2026-22430-1

suse
Calendar Grey July 3, 2026
Dist Suse Esm H88
Important security update addresses multiple vulnerabilities in python-tornado6 for SUSE Linux Micro 6.0. Install recommended patches now!
An update that solves three vulnerabilities can now be installed.

Summary

## This update for python-tornado6 fixes the following issues * CVE-2026-49853: authorization header forwarded across cross-origin redirects in SimpleAsyncHTTPClient (bsc#1268395). * CVE-2026-49854: out-of-bounds memory access via C extension (bsc#1268396). * CVE-2026-49855: AsyncHTTPClient accumulates decompressed chunks without size limit (bsc#1268397). ## 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 Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-770=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64) * python311-tornado6-6.4-6.1 * python311-tornado6-debuginfo-6.4-6.1

Topics%20covered

Topics Covered

security advisory SuSE important memory access authorization issue AsyncHTTPClient

References

* bsc#1268395

* bsc#1268396

* bsc#1268397

Cross-

* CVE-2026-49853

* CVE-2026-49854

* CVE-2026-49855

CVSS scores:

* CVE-2026-49853 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

* CVE-2026-49854 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

* CVE-2026-49855 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Micro 6.0

An update that solves three vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-49853.html

* https://www.suse.com/security/cve/CVE-2026-49854.html

* https://www.suse.com/security/cve/CVE-2026-49855.html

* https://bugzilla.suse.com/show_bug.cgi?id=1268395

* https://bugzilla.suse.com/show_bug.cgi?id=1268396

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22430-1
Release Date: 2026-06-26T09:07:54Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important memory access authorization issue AsyncHTTPClient

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