Bug 2430472 (CVE-2026-23490) - CVE-2026-23490 pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID [NEEDINFO]
Summary: CVE-2026-23490 pyasn1: pyasn1: Denial of Service due to memory exhaustion fro...
Keywords:
Status: NEW
Alias: CVE-2026-23490
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2438395 2438396
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-16 20:03 UTC by OSIDB Bzimport
Modified: 2026-03-10 05:15 UTC (History)
134 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:
spichugi: needinfo? (prodsec-dev)

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:1903 0 None None None 2026-02-04 18:40:32 UTC
Red Hat Product Errata RHSA-2026:1904 0 None None None 2026-02-04 12:03:43 UTC
Red Hat Product Errata RHSA-2026:1905 0 None None None 2026-02-04 15:04:56 UTC
Red Hat Product Errata RHSA-2026:1906 0 None None None 2026-02-04 15:23:33 UTC
Red Hat Product Errata RHSA-2026:2221 0 None None None 2026-02-09 02:00:05 UTC
Red Hat Product Errata RHSA-2026:2299 0 None None None 2026-02-09 10:17:11 UTC
Red Hat Product Errata RHSA-2026:2300 0 None None None 2026-02-09 10:04:30 UTC
Red Hat Product Errata RHSA-2026:2302 0 None None None 2026-02-09 10:11:40 UTC
Red Hat Product Errata RHSA-2026:2303 0 None None None 2026-02-09 09:57:26 UTC
Red Hat Product Errata RHSA-2026:2309 0 None None None 2026-02-09 10:18:58 UTC
Red Hat Product Errata RHSA-2026:2453 0 None None None 2026-02-10 15:11:39 UTC
Red Hat Product Errata RHSA-2026:2460 0 None None None 2026-02-10 17:43:10 UTC
Red Hat Product Errata RHSA-2026:2483 0 None None None 2026-02-10 20:24:55 UTC
Red Hat Product Errata RHSA-2026:2486 0 None None None 2026-02-10 20:52:50 UTC
Red Hat Product Errata RHSA-2026:2712 0 None None None 2026-02-16 10:50:49 UTC
Red Hat Product Errata RHSA-2026:2758 0 None None None 2026-02-16 16:36:12 UTC
Red Hat Product Errata RHSA-2026:3354 0 None None None 2026-02-25 13:12:32 UTC
Red Hat Product Errata RHSA-2026:3359 0 None None None 2026-02-25 14:37:44 UTC
Red Hat Product Errata RHSA-2026:3958 0 None None None 2026-03-06 10:13:01 UTC
Red Hat Product Errata RHSA-2026:3959 0 None None None 2026-03-06 10:55:27 UTC
Red Hat Product Errata RHSA-2026:4138 0 None None None 2026-03-10 00:19:00 UTC
Red Hat Product Errata RHSA-2026:4139 0 None None None 2026-03-10 00:57:46 UTC
Red Hat Product Errata RHSA-2026:4140 0 None None None 2026-03-10 00:39:03 UTC
Red Hat Product Errata RHSA-2026:4141 0 None None None 2026-03-10 05:15:13 UTC
Red Hat Product Errata RHSA-2026:4142 0 None None None 2026-03-10 00:17:23 UTC
Red Hat Product Errata RHSA-2026:4143 0 None None None 2026-03-10 02:38:14 UTC
Red Hat Product Errata RHSA-2026:4144 0 None None None 2026-03-10 00:25:03 UTC
Red Hat Product Errata RHSA-2026:4145 0 None None None 2026-03-10 00:16:17 UTC
Red Hat Product Errata RHSA-2026:4146 0 None None None 2026-03-10 00:38:18 UTC
Red Hat Product Errata RHSA-2026:4147 0 None None None 2026-03-10 01:52:08 UTC
Red Hat Product Errata RHSA-2026:4148 0 None None None 2026-03-10 00:29:13 UTC

Description OSIDB Bzimport 2026-01-16 20:03:58 UTC 
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.
Comment 2 errata-xmlrpc 2026-02-04 12:03:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:1904 https://access.redhat.com/errata/RHSA-2026:1904
Comment 3 errata-xmlrpc 2026-02-04 15:04:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:1905 https://access.redhat.com/errata/RHSA-2026:1905
Comment 4 errata-xmlrpc 2026-02-04 15:23:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:1906 https://access.redhat.com/errata/RHSA-2026:1906
Comment 5 errata-xmlrpc 2026-02-04 18:40:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:1903 https://access.redhat.com/errata/RHSA-2026:1903
Comment 7 errata-xmlrpc 2026-02-09 01:59:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:2221 https://access.redhat.com/errata/RHSA-2026:2221
Comment 8 errata-xmlrpc 2026-02-09 09:57:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:2303 https://access.redhat.com/errata/RHSA-2026:2303
Comment 9 errata-xmlrpc 2026-02-09 10:04:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:2300 https://access.redhat.com/errata/RHSA-2026:2300
Comment 10 errata-xmlrpc 2026-02-09 10:11:32 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:2302 https://access.redhat.com/errata/RHSA-2026:2302
Comment 11 errata-xmlrpc 2026-02-09 10:17:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:2299 https://access.redhat.com/errata/RHSA-2026:2299
Comment 12 errata-xmlrpc 2026-02-09 10:18:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:2309 https://access.redhat.com/errata/RHSA-2026:2309
Comment 14 errata-xmlrpc 2026-02-10 15:11:30 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:2453 https://access.redhat.com/errata/RHSA-2026:2453
Comment 15 errata-xmlrpc 2026-02-10 17:43:00 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:2460 https://access.redhat.com/errata/RHSA-2026:2460
Comment 16 errata-xmlrpc 2026-02-10 20:24:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:2483 https://access.redhat.com/errata/RHSA-2026:2483
Comment 17 errata-xmlrpc 2026-02-10 20:52:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:2486 https://access.redhat.com/errata/RHSA-2026:2486
Comment 18 errata-xmlrpc 2026-02-16 10:50:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:2712 https://access.redhat.com/errata/RHSA-2026:2712
Comment 19 errata-xmlrpc 2026-02-16 16:36:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:2758 https://access.redhat.com/errata/RHSA-2026:2758
Comment 20 errata-xmlrpc 2026-02-25 13:12:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:3354 https://access.redhat.com/errata/RHSA-2026:3354
Comment 21 errata-xmlrpc 2026-02-25 14:37:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:3359 https://access.redhat.com/errata/RHSA-2026:3359
Comment 22 errata-xmlrpc 2026-03-06 10:12:52 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.6 for RHEL 9
  Red Hat Ansible Automation Platform 2.6 for RHEL 10

Via RHSA-2026:3958 https://access.redhat.com/errata/RHSA-2026:3958
Comment 23 errata-xmlrpc 2026-03-06 10:55:17 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.5 for RHEL 8
  Red Hat Ansible Automation Platform 2.5 for RHEL 9

Via RHSA-2026:3959 https://access.redhat.com/errata/RHSA-2026:3959
Comment 24 errata-xmlrpc 2026-03-10 00:16:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:4145 https://access.redhat.com/errata/RHSA-2026:4145
Comment 25 errata-xmlrpc 2026-03-10 00:17:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:4142 https://access.redhat.com/errata/RHSA-2026:4142
Comment 26 errata-xmlrpc 2026-03-10 00:18:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:4138 https://access.redhat.com/errata/RHSA-2026:4138
Comment 27 errata-xmlrpc 2026-03-10 00:24:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:4144 https://access.redhat.com/errata/RHSA-2026:4144
Comment 28 errata-xmlrpc 2026-03-10 00:29:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:4148 https://access.redhat.com/errata/RHSA-2026:4148
Comment 29 errata-xmlrpc 2026-03-10 00:38:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:4146 https://access.redhat.com/errata/RHSA-2026:4146
Comment 30 errata-xmlrpc 2026-03-10 00:38:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:4140 https://access.redhat.com/errata/RHSA-2026:4140
Comment 31 errata-xmlrpc 2026-03-10 00:57:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:4139 https://access.redhat.com/errata/RHSA-2026:4139
Comment 32 errata-xmlrpc 2026-03-10 01:51:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:4147 https://access.redhat.com/errata/RHSA-2026:4147
Comment 33 errata-xmlrpc 2026-03-10 02:38:05 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:4143 https://access.redhat.com/errata/RHSA-2026:4143
Comment 34 errata-xmlrpc 2026-03-10 05:15:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:4141 https://access.redhat.com/errata/RHSA-2026:4141
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