Security update for python-pyasn1

Announcement ID: SUSE-SU-2026:20133-1
Release Date: 2026-01-22T16:35:43Z
Rating: important
References:
Cross-References:
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 Enterprise Server 16.0
  • SUSE Linux Enterprise Server for SAP Applications 16.0

An update that solves one vulnerability can now be installed.

Description:

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 Enterprise Server 16.0
    zypper in -t patch SUSE-SLES-16.0-178=1
  • SUSE Linux Enterprise Server for SAP Applications 16.0
    zypper in -t patch SUSE-SLES-16.0-178=1

Package List:

  • SUSE Linux Enterprise Server 16.0 (noarch)
    • python313-pyasn1-0.6.1-160000.3.1
  • SUSE Linux Enterprise Server for SAP Applications 16.0 (noarch)
    • python313-pyasn1-0.6.1-160000.3.1

References: