Vulnerability-Lookup

GHSA-XH23-CPX8-XQGM

Vulnerability from github – Published: 2026-09-07 06:30 – Updated: 2026-09-07 06:30

Details

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.

Severity

6.2 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-86315"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-197"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-07T04:17:55Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-xh23-cpx8-xqgm",
  "modified": "2026-09-07T06:30:24Z",
  "published": "2026-09-07T06:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86315"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Samsung/escargot/pull/1660"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-86315 (GCVE-0-2026-86315)

Vulnerability from cvelistv5 – Published: 2026-09-07 04:01 – Updated: 2026-09-08 14:53

Summary

Severity

6.2 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-08 14:53 UTC

CWE

CWE-197 - Numeric truncation error

Assigner

samsung.tv_appliance mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/Samsung/escargot/pull/1660

Impacted products

1 product

Vendor	Product	Version
Samsung Opensource	Escargot	Affected: 5dc93606abd42b859045add05d704a038e197359

Credits

p4p3r of 싸이버원

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  "containers": {
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        "metrics": [
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                "id": "CVE-2026-86315",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-08T14:53:36.881610Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          "dateUpdated": "2026-09-08T14:53:47.552Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Escargot",
          "vendor": "Samsung Opensource",
          "versions": [
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              "version": "5dc93606abd42b859045add05d704a038e197359"
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      "impacts": [
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      "metrics": [
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            "availabilityImpact": "HIGH",
            "baseScore": 6.2,
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            "integrityImpact": "NONE",
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    "datePublished": "2026-09-07T04:01:28.554Z",
    "dateReserved": "2026-09-07T03:41:59.466Z",
    "dateUpdated": "2026-09-08T14:53:47.552Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-XH23-CPX8-XQGM

CVE-2026-86315 (GCVE-0-2026-86315)

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