Samsung Escargot Heap Overflow (CVE-2026-47311) Poses High Risk
A heap-based buffer overflow vulnerability, identified as CVE-2026-47311, has been reported in Samsung’s Open Source Escargot. The National Vulnerability Database assigns this a CVSS score of 7.8 (High), indicating significant potential for impact. This flaw, categorized under CWE-122 (Heap-based Buffer Overflow), allows for overflow buffers, which can lead to arbitrary code execution, denial of service, or information disclosure.
The vulnerability affects a specific commit of Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3. While the National Vulnerability Database does not specify particular affected products leveraging Escargot, any system integrating this vulnerable version is at risk. Attackers could exploit this by tricking a user into interacting with malicious content or by providing specially crafted input.
For defenders, the critical takeaway is to identify if Escargot is present in your environment, especially if you’re using Samsung-related open-source components. The high CVSS score, coupled with the nature of buffer overflows, means that successful exploitation could grant attackers significant control. Patching or updating to a secure version is paramount to mitigate this risk.
What This Means For You
- If your organization integrates Samsung's Open Source Escargot, specifically the vulnerable commit `590345cc6258317c5da850d846ce6baaf2afc2d3`, identify and apply the necessary patches immediately. This CVE-2026-47311 is a heap-based buffer overflow, a class of vulnerability frequently exploited for remote code execution. Don't wait for active exploitation; assess your exposure now.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-47311 - Samsung Escargot Heap Overflow Attempt
title: CVE-2026-47311 - Samsung Escargot Heap Overflow Attempt
id: scw-2026-05-19-ai-1
status: experimental
level: high
description: |
Detects attempts to exploit the CVE-2026-47311 heap overflow vulnerability in Samsung Escargot by looking for the specific executable and a common indicator of heap overflow exploitation in the command line arguments.
author: SCW Feed Engine (AI-generated)
date: 2026-05-19
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-47311/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: process_creation
detection:
selection:
Image|endswith:
- 'escargot.exe'
CommandLine|contains:
- 'heap overflow'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-47311 | Buffer Overflow | Samsung Open Source Escargot |
| CVE-2026-47311 | Buffer Overflow | Escargot version 590345cc6258317c5da850d846ce6baaf2afc2d3 |
| CVE-2026-47311 | Buffer Overflow | Heap-based buffer overflow |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 19, 2026 at 10:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
Believe this infringes your rights? Submit a takedown request.
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