Upstream information

CVE-2026-23490 at MITRE

Description

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (GitHub) SUSE
Base Score 7.5 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1256902 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 python-pyasn1 Affected
SUSE Linux Enterprise Micro 5.2 python-pyasn1 Affected
SUSE Linux Enterprise Micro 5.3 python-pyasn1 Affected
SUSE Linux Enterprise Micro 5.4 python-pyasn1 Affected
SUSE Linux Enterprise Micro 5.5 python-pyasn1 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 python-pyasn1 Affected
SUSE Linux Enterprise Module for Python 3 15 SP7 python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP7 python-pyasn1 Affected
SUSE Linux Enterprise Server 16.0 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP applications 16.0 python-pyasn1 Affected
SUSE Linux Micro 6.0 python-pyasn1 Affected
SUSE Linux Micro 6.1 python-pyasn1 Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 python-pyasn1 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 python-pyasn1 Affected
SUSE Linux Enterprise Module for Public Cloud 15 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Module for Python 3 15 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Module for Python 3 15 SP5 python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP5 python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP5-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP4-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP5 python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP5-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP6-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 python-pyasn1 Affected
SUSE Manager Proxy 4.3 python-pyasn1 Affected
SUSE Manager Proxy LTS 4.3 python-pyasn1 Affected
SUSE Manager Retail Branch Server 4.3 python-pyasn1 Affected
SUSE Manager Retail Branch Server LTS 4.3 python-pyasn1 Affected
SUSE Manager Server 4.3 python-pyasn1 Affected
SUSE Manager Server LTS 4.3 python-pyasn1 Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 python-pyasn1 Affected
SUSE CaaS Platform 3.0 python-pyasn1 Affected
SUSE CaaS Platform 4.0 python-pyasn1 Affected
SUSE Enterprise Storage 6 python-pyasn1 Affected
SUSE Enterprise Storage 7 python-pyasn1 Affected
SUSE Enterprise Storage 7.1 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 12 SP1 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 12 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 12 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 12 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 15 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 15 SP1 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 15 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 15 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 15 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 15 SP5 python-pyasn1 Affected
SUSE Linux Enterprise Desktop 15 SP6 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Micro 5.0 python-pyasn1 Affected
SUSE Linux Enterprise Micro 5.1 python-pyasn1 Affected
SUSE Linux Enterprise Module for Basesystem 15 python-pyasn1 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 python-pyasn1 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Module for Python 2 15 SP1 python-pyasn1 Affected
SUSE Linux Enterprise Module for Python 2 15 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Module for Python 2 15 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Module for Python 3 15 SP6 python-pyasn1 Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT python-pyasn1 Affected
SUSE Linux Enterprise Real Time 15 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Real Time 15 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Real Time 15 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP1 python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP1-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP2-BCL python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP2-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP3-BCL python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP3-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS python-pyasn1 Affected
SUSE Linux Enterprise Server 12 SP4-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 15 python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP1 python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP1-BCL python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP1-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP2-BCL python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP2-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP3-BCL python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP3-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server 15 SP6 python-pyasn1 Affected
SUSE Linux Enterprise Server 15-LTSS python-pyasn1 Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 python-pyasn1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 python-pyasn1 Affected
SUSE Manager Proxy 4.0 python-pyasn1 Affected
SUSE Manager Proxy 4.1 python-pyasn1 Affected
SUSE Manager Proxy 4.2 python-pyasn1 Affected
SUSE Manager Retail Branch Server 4.0 python-pyasn1 Affected
SUSE Manager Retail Branch Server 4.1 python-pyasn1 Affected
SUSE Manager Retail Branch Server 4.2 python-pyasn1 Affected
SUSE Manager Server 4.0 python-pyasn1 Affected
SUSE Manager Server 4.1 python-pyasn1 Affected
SUSE Manager Server 4.2 python-pyasn1 Affected
SUSE OpenStack Cloud 7 python-pyasn1 Affected
SUSE OpenStack Cloud 8 python-pyasn1 Affected
SUSE OpenStack Cloud 9 python-pyasn1 Affected
SUSE OpenStack Cloud Crowbar 8 python-pyasn1 Affected
SUSE OpenStack Cloud Crowbar 9 python-pyasn1 Affected
openSUSE Leap 15.3 python-pyasn1 Affected
openSUSE Leap 15.4 python-pyasn1 Affected
openSUSE Leap 15.5 python-pyasn1 Affected
openSUSE Leap 15.6 python-pyasn1 Affected
openSUSE Leap Micro 5.2 python-pyasn1 Affected
openSUSE Leap Micro 5.3 python-pyasn1 Affected
openSUSE Leap Micro 5.4 python-pyasn1 Affected
openSUSE Leap Micro 5.5 python-pyasn1 Affected


SUSE Timeline for this CVE

CVE page created: Fri Jan 16 22:03:48 2026
CVE page last modified: Mon Jan 19 12:55:04 2026