CVE-2026-42798

{
  "id": "CVE-2026-42798",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-30T07:16:37.423",
  "lastModified": "2026-10-26T22:10:00.163",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Little CMS (lcms2) 2.16 through 2.18 before 2.19 has an integer overflow in ParseCube in cmscgats.c."
    },
    {
      "lang": "es",
      "value": "Little CMS (lcms2) 2.16 hasta 2.18 antes de 2.19 tiene un desbordamiento de entero en ParseCube en cmscgats.c."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "littlecms",
          "product": "little cms color engine",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2.16",
              "lessThan": "2.19",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "baseScore": 4.0,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 1.4,
        "impactScore": 2.5
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-30T12:57:05.867260Z",
          "id": "CVE-2026-42798",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/mm2/Little-CMS/commit/6a686019825a89b715d16671f18d049523354176",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/mm2/Little-CMS/compare/lcms2.18...lcms2.19",
      "source": "[email protected]"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2026/04/30/8",
      "source": "[email protected]"
    }
  ]
}