OPENSUSE-SU-2026:20089-1

Vulnerability from csaf_opensuse - Published: 2026-01-22 16:42 - Updated: 2026-09-17 17:26
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 Denial-of-Service issue that may lead to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets (bsc#1256902)
Patchnames: openSUSE-Leap-16.0-178
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 16.0:python313-pyasn1-0:0.6.1-160000.3.1.noarch —
Vendor Fix
Threats
Impact important

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    "distribution": {
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        "title": "Description of the patch"
      },
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        "title": "Patchnames"
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      "revision_history": [
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          "number": "1",
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        {
          "date": "2026-09-16T20:29:27Z",
          "number": "2",
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          "date": "2026-09-16T21:32:08Z",
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      "status": "final",
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  },
  "product_tree": {
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            "branches": [
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                "category": "product_version",
                "name": "python313-pyasn1-0:0.6.1-160000.3.1.noarch",
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                  "product_identification_helper": {
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-23490",
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          "text": "https://www.suse.com/security/cve/CVE-2026-23490"
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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.",
          "title": "CVE description"
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          "summary": "SUSE Bug 1259803 for CVE-2026-23490",
          "url": "https://bugzilla.suse.com/1259803"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 16.0:python313-pyasn1-0:0.6.1-160000.3.1.noarch"
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        }
      ],
      "scores": [
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "date": "2026-01-22T16:42:14Z",
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        }
      ],
      "title": "CVE-2026-23490"
    }
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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