FKIE_CVE-2026-86315

Vulnerability from fkie_nvd - Published: 2026-09-07 04:17 - Updated: 2026-09-28 23:10
Severity
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX. This issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359.
References
PSIRT@samsung.comhttps://github.com/Samsung/escargot/pull/1660
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Escargot",
          "vendor": "Samsung Opensource",
          "versions": [
            {
              "status": "affected",
              "version": "5dc93606abd42b859045add05d704a038e197359"
            }
          ]
        }
      ],
      "source": "PSIRT@samsung.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds write caused by numeric truncation  Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX.\n\n\n\nThis issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359."
    },
    {
      "lang": "es",
      "value": "Una escritura fuera de l\u00edmites causada por truncamiento num\u00e9rico en Samsung Open Source Escargot en Linux x86-64 permite a un atacante que puede proporcionar JavaScript para su ejecuci\u00f3n corromper la memoria nativa y bloquear el proceso anfitri\u00f3n a trav\u00e9s de una definici\u00f3n de clase manipulada cuyo recuento de entradas de inicializaci\u00f3n de instancia excede UINT16_MAX.\n\nEste problema afecta a Escargot: 5dc93606abd42b859045add05d704a038e197359."
    }
  ],
  "id": "CVE-2026-86315",
  "lastModified": "2026-09-28T23:10:00.143",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6,
        "source": "PSIRT@samsung.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-86315",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-08T14:53:36.881610Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-07T04:17:55.650",
  "references": [
    {
      "source": "PSIRT@samsung.com",
      "url": "https://github.com/Samsung/escargot/pull/1660"
    }
  ],
  "sourceIdentifier": "PSIRT@samsung.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-197"
        }
      ],
      "source": "PSIRT@samsung.com",
      "type": "Secondary"
    }
  ]
}



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