External risk intelligence

Samsung Escargot Out-of-Bounds Read Exposes Resources

CVE advisorySeverity: CRITICAL (CVSS 9.1)

CVE-2026-25206

Samsung Escargot is an open-source library/framework component. While the network attack vector is noted, the library is typically integrated into other software rather than acting as a standalone, internet-facing service or gateway. Its reachability depends entirely on the specific application implementation, making public exposure possible but not a standard or inherent deployment pattern.

Out-of-bounds Read

Samsung Escargot

2026-03-26

Halo Surface Signal: 3 out of 5 — possibly public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability has been identified in Samsung's Escargot component, which could allow for the exposure of resources. This issue is considered critical due to its potential for remote exploitation without requiring user interaction. The primary concern is to determine if this specific component is used within our environment and, if so, to assess the associated risk.

Read vulnerability may expose resources.
Crucial to confirm if Escargot is deployed.
Assess relevance and potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending specially crafted network requests to an application that uses the vulnerable Escargot component. This could lead to the exposure of sensitive information and an application crash. There is no indication of authentication being required for exploitation.

Exposed via network.
Triggered by crafted requests.
Leads to data leaks and crashes.

Live Threat

Current exploitation, exposure, and threat context

An out-of-bounds read vulnerability in Samsung Open Source Escargot could lead to a resource leak. This occurs when the software attempts to read data beyond the allocated buffer, potentially exposing sensitive information or causing denial-of-service conditions when processed by other applications.

System memory could be exposed.
Malformed requests may trigger the issue.
Service instability or data leakage.

Operational Fix

Recommended remediation, mitigation, and detection steps

This critical vulnerability in Samsung Escargot requires immediate attention from teams responsible for integrated software components and the underlying infrastructure. The first practical step is to identify all deployments of Escargot, determine their exposure and criticality, and locate the accountable system owner. Remediation planning should then be prioritized based on this risk assessment.

Application or platform teams own remediation.
Verify Escargot instances and exposure.
Plan remediation based on risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

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Frequently asked questions

What is Samsung Escargot?

Samsung Escargot is an open-source library or framework component. Developers incorporate this code into larger software products to provide specific functional capabilities. Because it is a component rather than a standalone application, users typically do not interact with it directly; instead, it runs in the background as part of a host application.

What does an out-of-bounds read mean for CVE-2026-25206?

This vulnerability, classified as CWE-125, happens when the software reads data past the end of an intended memory buffer. In the context of CVE-2026-25206, this flaw allows the system to access memory it should not, which can result in sensitive information leaking or the application crashing unexpectedly.

How is this vulnerability triggered?

An attacker triggers this issue by sending specially crafted network requests to an application that relies on the vulnerable Escargot component. It is important to note that the vulnerability is triggered by how the software processes these malformed inputs; normal, well-formed requests used during standard application operation do not cause this error.

Is my system at risk from this CVE?

Halo Surface Signal indicates that because Escargot is a library, your risk depends on how your specific applications utilize it. While the vulnerability is reachable over a network, Escargot is not usually an internet-facing gateway. You should investigate if your software stack incorporates this specific Samsung component and how that software is exposed to network traffic.

How do I start addressing CVE-2026-25206?

Your first step is to perform an inventory of your software to identify if and where the Escargot component is deployed. Once identified, work with the relevant application or platform teams to determine the risk level of those specific instances. After assessing the environment, proceed with remediation planning according to your internal priorities for managing third-party component security.

References

github.com/Samsung/escargot/pull/1554

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.