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SUSE Linux Micro 6.2 python-pyasn1 Important DoS Update 2026-20158-1

suse
Calendar Grey January 28, 2026
Dist Suse Esm H88
Update for python-pyasn1 resolves important Denial-of-Service issue on SUSE Linux Micro systems with memory risks.
An update that solves one vulnerability can now be installed.

Summary

## This update for python-pyasn1 fixes the following issues: * CVE-2026-23490: Fixed Denial-of-Service issue that may lead to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets (bsc#1256902) ## 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 6.2 zypper in -t patch SUSE-SL-Micro-6.2-178=1 ## Package List: * SUSE Linux Micro 6.2 (noarch) * python313-pyasn1-0.6.1-160000.3.1

Topics%20covered

Topics Covered

security advisory SuSE DoS important memory exhaustion python-pyasn1

References

* bsc#1256902

Cross-

* CVE-2026-23490

CVSS scores:

* CVE-2026-23490 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-23490 ( NVD ): 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 6.2

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-23490.html

* https://bugzilla.suse.com/show_bug.cgi?id=1256902

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20158-1
Release Date: 2026-01-22T16:42:14Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS important memory exhaustion python-pyasn1

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