External risk intelligence

Samsung Escargot Heap Overflow Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-47311

A heap-based buffer overflow in Samsung Escargot allows attackers to overflow buffers. This can impact systems and data, presenting a business risk. Attackers could gain unauthorized access or disrupt services. Organizations should identify affected assets and reduce exposure.

1Halo Surface Signal

Buffer Overflow

Samsung Escargot

2026-05-14

External exposure likelihood

Halo Surface Signal score for CVE-2026-47311

Escargot is an open-source library used within software projects for build-time or internal component processing. It is not an internet-facing service, web application, or gateway, and lacks common deployment patterns that would result in public network exposure.

Horizon Alert

Summary of the vulnerability and why it matters

A heap-based buffer overflow vulnerability exists in Samsung's Open Source Escargot. This flaw allows for the overflow of buffers within the Escargot component. The potential impact could affect systems and data, leading to significant business risk.

  • Vulnerable component: Samsung Escargot
  • Core weakness: Buffer overflow
  • Main business impact: System and data compromise

Attack Path

How an attacker could exploit the issue

This vulnerability allows an attacker to execute code remotely. The Escargot library's handling of buffer overflows can be exploited to overwrite memory, potentially leading to unauthorized code execution. This could impact system integrity and confidentiality.

  • Requires network access.
  • Attacker sends crafted input.
  • Code execution occurs.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability presents a critical risk due to a heap-based buffer overflow in Samsung's Escargot software. Attackers could potentially exploit this flaw to gain unauthorized access, modify data, and disrupt services. The nature of the vulnerability suggests a high impact on affected systems.

  • Attackers with low skill could exploit it.
  • No access or conditions required.
  • High business risk and urgency.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

A heap-based buffer overflow vulnerability has been identified in Samsung's Escargot software. This issue allows for overflow buffers, potentially impacting the confidentiality, integrity, and availability of affected systems. Organizations should prioritize understanding their exposure to this vulnerability.

  • Find affected assets.
  • Reduce exposure or isolate risk.
  • Fix, verify, and monitor.

Frequently asked questions

What is Samsung Escargot and how is it used in software projects?

Samsung Escargot is an open-source library. It is primarily used during the build process or for handling internal components within other software projects, rather than as a standalone service.

What type of vulnerability is CVE-2026-47311 in Samsung Escargot?

CVE-2026-47311 is a heap-based buffer overflow vulnerability, classified as CWE-122. This occurs when a program attempts to write data beyond its allocated memory buffer, which can overwrite adjacent memory and lead to unexpected behavior or system crashes.

How can the Samsung Escargot vulnerability (CVE-2026-47311) be exploited?

Exploitation of this vulnerability involves an attacker sending crafted input over the network. This crafted input targets the way the Escargot library handles buffer overflows, potentially allowing for unauthorized code execution.

What is the relevance of CVE-2026-47311 given its attack vector and lack of user interaction?

The CVSS v3.1 attack vector is Network, and no user interaction is required, classifying this CVE as external. This means an attacker can exploit it remotely without needing the user to perform any action. The Halo Surface Signal indicates this is very unlikely to be an internet-facing service.

What practical steps should organizations take regarding the Samsung Escargot vulnerability?

Organizations should identify assets affected by this vulnerability, reduce exposure by isolating risks, and then apply fixes. Verification and continuous monitoring are also crucial steps to ensure the vulnerability is addressed and does not reappear.

References