SUSE-SU-2026:20447-1

Vulnerability from csaf_suse - Published: 2026-02-16 14:23 - Updated: 2026-02-16 14:23
Summary
Security update for python-pyasn1
Severity
Important
Notes
Title of the patch: Security update for python-pyasn1
Description of the patch: This update for python-pyasn1 fixes the following issues: - CVE-2026-23490: Fixed malformed RELATIVE-OID with excessive continuation octets leading to Denial of Service (bsc#1256902).
Patchnames: SUSE-SLE-Micro-6.0-580
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-23490
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Micro 6.0:python311-pyasn1-0.5.0-3.1.noarch —
Vendor Fix
Threats
Impact important
References
To clipboard 

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          "text": "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.",
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    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.