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pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID

🗓️ 10 Mar 2026 05:20:31Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com

pyasn1 has a denial of service from a malformed relative-oid with too many continuation octets.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Maximo AI Service uses multiple third party dependencies which is vulnerable to multiple CVEs.
31 Mar 202613:54
–ibm
IBM Security Bulletins		Security Bulletin: There is a vulnerability in pyasn1-0.6.1.tar.gz used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-23490)
2 Feb 202612:13
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerability in pyasn1 affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.
4 May 202614:26
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses pyasn1-0.6.1.tar.gz which is vulnerable to CVE-2026-23490.
27 Feb 202611:53
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses pyasn1 which is vulnerable to CVE-2026-23490
20 Mar 202610:10
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - IoT Component uses multiple third party dependencies which are vulnerable to CVEs.
5 Mar 202604:55
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a Denial-of-Service in pyasn1 [CVE-2026-23490]
14 Apr 202615:21
–ibm
IBM Security Bulletins		Security Bulletin: IBM Guardium Data Security Center is affected by multiple vulnerabilities
2 Mar 202614:44
–ibm
IBM Security Bulletins		Security Bulletin: pyasn1 Memory Exhaustion via Malformed RELATIVE-OID Leads to Denial of Service
4 May 202612:28
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite uses pyasn1-0.6.1, protobuf-6.33.4-cp39-abi3-manylinux2014_x86_64, urllib3-2.5.0-py3-none-any, database/sql 1.24.4 and weasyprint-67.0-py3-none-any.
3 Mar 202606:49
–ibm
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6anypython3-pyasn10:0.4.8-6.el9_6.1.noarchpython3-pyasn1-0:0.4.8-6.el9_6.1.noarch.noarch.rpm
Red Hat Enterprise Linux9.6anypython3-pyasn1-modules0:0.4.8-6.el9_6.1.noarchpython3-pyasn1-modules-0:0.4.8-6.el9_6.1.noarch.noarch.rpm

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02 Jun 2026 15:26Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.00032
SSVC
CWE-770
pyasn1denial of servicememory exhaustionmalformed relative oidcontinuation octetsinput validation vulnerabilityremote attackerpython library
0