SUSE-SU-2026:22765-1: important: Security update for python-pyasn1

[SLE-UPDATES]

# Security update for python-pyasn1

Announcement ID: SUSE-SU-2026:22765-1  
Release Date: 2026-07-20T12:15:58Z  
Rating: important  
References:

  * bsc#1271464
  * bsc#1271465
  * bsc#1271466

  
Cross-References:

  * CVE-2026-59884
  * CVE-2026-59885
  * CVE-2026-59886

  
CVSS scores:

  * CVE-2026-59884 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-59884 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-59884 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-59885 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-59885 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-59885 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-59886 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-59886 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-59886 ( 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 three vulnerabilities can now be installed.

## Description:

This update for python-pyasn1 fixes the following issues:

  * CVE-2026-59884: BER/CER/DER decoder denial of service via unbounded long-
    form tag IDs (bsc#1271464).
  * CVE-2026-59885: quadratic complexity in OBJECT IDENTIFIER and RELATIVE-OID
    processing allows denial of service (bsc#1271465).
  * CVE-2026-59886: uncontrolled resource consumption when converting decoded
    REAL values (bsc#1271466).

## 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-6.2-1301=1

## Package List:

  * SUSE Linux Micro 6.2 (noarch)
    * python313-pyasn1-0.6.1-160000.5.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-59884.html
  * https://www.suse.com/security/cve/CVE-2026-59885.html
  * https://www.suse.com/security/cve/CVE-2026-59886.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1271464
  * https://bugzilla.suse.com/show_bug.cgi?id=1271465
  * https://bugzilla.suse.com/show_bug.cgi?id=1271466

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-updates/attachments/20260722/b811244d/attachment.htm>