CVE-2026-9171 (GCVE-0-2026-9171)

Vulnerability from cvelistv5 – Published: 2026-07-17 18:26 – Updated: 2026-07-17 18:26
VLAI
Title
Vulnerabilities in IBM WebSphere Application affects IBM PowerVM Novalink.
Summary
IBM PowerVM Novalink are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
ibm
References
URL Tags
https://www.ibm.com/support/pages/node/7280226 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM PowerVM Novalink Affected: 2.2.02.2.12.2.1.1
Affected: 2.3.02.3.0.12.3.12.3.2
    cpe:2.3:a:ibm:powervm_novalink:2.2.02.2.12.2.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:powervm_novalink:2.3.02.3.0.12.3.12.3.2:*:*:*:*:*:*:*
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{
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        {
          "cpes": [
            "cpe:2.3:a:ibm:powervm_novalink:2.2.02.2.12.2.1.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_novalink:2.3.02.3.0.12.3.12.3.2:*:*:*:*:*:*:*"
          ],
          "product": "PowerVM Novalink",
          "vendor": "IBM",
          "versions": [
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              "status": "affected",
              "version": "2.2.02.2.12.2.1.1"
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              "status": "affected",
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          "supportingMedia": [
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              "type": "text/html",
              "value": "\u003cp\u003eIBM PowerVM Novalink are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.\u003c/p\u003e"
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          ],
          "value": "IBM PowerVM Novalink are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources."
        }
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      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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          "scenarios": [
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              "value": "GENERAL"
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      "problemTypes": [
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          "descriptions": [
            {
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              "description": "CWE-400 Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-17T18:26:10.326Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
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          "url": "https://www.ibm.com/support/pages/node/7280226"
        }
      ],
      "solutions": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cp\u003eIBM strongly recommends addressing the vulnerability now by upgrading based on the table below.\u003c/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eProduct\u003c/td\u003e\u003ctd\u003eVersion\u003c/td\u003e\u003ctd\u003eRemediation\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePowerVM Novalink\u003c/td\u003e\u003ctd\u003e\u003cp\u003e2.2.1.1\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.2.1.1_readme.html\" rel=\"nofollow\"\u003eUpdate to pvm-novalink-2.2.1.1-260708\u003c/a\u003e\u003c/p\u003e\u003cp\u003eor\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.3.3_readme.html\" rel=\"nofollow\"\u003eUpdate to pvm-novalink-2.3.3-260714\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePowerVM Novalink\u003c/td\u003e\u003ctd\u003e\u003cp\u003e2.3.3\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.3.3_readme.html\" rel=\"nofollow\"\u003eUpdate to pvm-novalink-2.3.3-260714\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003cdiv\u003e\u003cdiv\u003e\u003c/div\u003e\u003cdiv\u003e\u003cp\u003e\u003c/p\u003e\u003c/div\u003e\u003c/div\u003e"
            }
          ],
          "value": "IBM strongly recommends addressing the vulnerability now by upgrading based on the table below.\n\nProductVersionRemediationPowerVM Novalink\n\n2.2.1.1\n\n\n\n Update to pvm-novalink-2.2.1.1-260708 https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.2.1.1_readme.html \n\n\n\nor\n\n\n\n Update to pvm-novalink-2.3.3-260714 https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.3.3_readme.html \n\nPowerVM Novalink\n\n2.3.3\n\n\n\n Update to pvm-novalink-2.3.3-260714 https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.3.3_readme.html"
        }
      ],
      "title": "Vulnerabilities in IBM WebSphere Application affects IBM PowerVM Novalink.",
      "x_generator": {
        "engine": "ibm-cvegen"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-9171",
    "datePublished": "2026-07-17T18:26:10.326Z",
    "dateReserved": "2026-05-21T14:37:46.761Z",
    "dateUpdated": "2026-07-17T18:26:10.326Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-9171",
      "date": "2026-07-18",
      "epss": "0.00549",
      "percentile": "0.42287"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-9171\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2026-07-17T19:17:19.520\",\"lastModified\":\"2026-07-17T19:17:19.520\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM PowerVM Novalink are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.\"}],\"affected\":[{\"source\":\"psirt@us.ibm.com\",\"affectedData\":[{\"vendor\":\"IBM\",\"product\":\"PowerVM Novalink\",\"cpes\":[\"cpe:2.3:a:ibm:powervm_novalink:2.2.02.2.12.2.1.1:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_novalink:2.3.02.3.0.12.3.12.3.2:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"2.2.02.2.12.2.1.1\",\"status\":\"affected\"},{\"version\":\"2.3.02.3.0.12.3.12.3.2\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"references\":[{\"url\":\"https://www.ibm.com/support/pages/node/7280226\",\"source\":\"psirt@us.ibm.com\"}]}}"
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.