Security Vulnerability Report
中文
CVE-2026-47311 CVSS 7.8 HIGH

CVE-2026-47311

Published: 2026-05-19 07:16:30
Last Modified: 2026-05-19 14:25:40

Description

Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.

CVSS Details

CVSS Score
7.8
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

Samsung Escargot 590345cc6258317c5da850d846ce6baaf2afc2d3

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
// PoC Concept for Heap Buffer Overflow in Escargot // This is a hypothetical demonstration of triggering the overflow function triggerOverflow() { // Attempting to allocate a buffer and writing beyond its bounds // based on the vulnerability description. var size = 1024; var buffer = new ArrayBuffer(size); var view = new DataView(buffer); // Malicious input that exceeds the allocated buffer size var maliciousData = new Uint8Array(2048); // Simulate the overflow condition (Hypothetical) // In a real scenario, this would involve specific engine API calls for (var i = 0; i < maliciousData.length; i++) { // This line would cause the overflow in the vulnerable version view.setUint8(i, maliciousData[i]); } console.log("Overflow attempt completed."); } triggerOverflow();

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-47311", "sourceIdentifier": "[email protected]", "published": "2026-05-19T07:16:30.070", "lastModified": "2026-05-19T14:25:40.320", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers.\n\nThis issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-122"}]}], "references": [{"url": "https://github.com/Samsung/escargot/pull/1565", "source": "[email protected]"}]}}