Vulnerability-Lookup

CVE-2026-18102 (GCVE-0-2026-18102)

Vulnerability from cvelistv5 – Published: 2026-08-19 20:32 – Updated: 2026-08-19 20:32

Title

IBM i Buffer Overflow

Summary

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to overwrite adjacent memory due to an integer underflow during bounds checking.

Severity

3.5 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7283297	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version	CPE status
IBM	i	Affected: 7.6 Affected: 7.5 Affected: 7.4 Affected: 7.3 cpe:2.3:o:ibm:i:7.6:::::::* cpe:2.3:o:ibm:i:7.5:::::::* cpe:2.3:o:ibm:i:7.4:::::::* cpe:2.3:o:ibm:i:7.3:::::::*

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{
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    "cna": {
      "affected": [
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          "cpes": [
            "cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*"
          ],
          "product": "i",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "7.6"
            },
            {
              "status": "affected",
              "version": "7.5"
            },
            {
              "status": "affected",
              "version": "7.4"
            },
            {
              "status": "affected",
              "version": "7.3"
            }
          ]
        }
      ],
      "descriptions": [
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          "value": "IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to overwrite adjacent memory due to an integer underflow during bounds checking."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2026-08-19T20:32:50.506Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
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          "tags": [
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            "patch"
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      ],
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        }
      ],
      "title": "IBM i Buffer Overflow"
    }
  },
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    "assignerShortName": "ibm",
    "cveId": "CVE-2026-18102",
    "datePublished": "2026-08-19T20:32:50.506Z",
    "dateReserved": "2026-07-28T17:33:47.769Z",
    "dateUpdated": "2026-08-19T20:32:50.506Z",
    "state": "PUBLISHED"
  },
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  }
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-18102 (GCVE-0-2026-18102)

GHSA-3X6J-QQG9-972J

Tags

Sightings

Nomenclature