PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-47317 Samsung Open Source CVE debrief

## Summary CVE-2026-47317 documents an Uncontrolled Recursion vulnerability in Samsung Open Source Escargot, a JavaScript engine, that can lead to Excessive Allocation. The vulnerability affects Escargot commit 590345cc6258317c5da850d846ce6baaf2afc2d3. The issue was published on 2026-05-19 and is currently undergoing analysis by NVD. A fix has been proposed via pull request.

Vendor
Samsung Open Source
Product
Escargot
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-19
Original CVE updated
2026-07-24
Advisory published
2026-05-19
Advisory updated
2026-07-24

Who should care

Organizations and developers using Samsung Escargot JavaScript engine in embedded systems, IoT devices, or server-side JavaScript execution environments. Security teams responsible for JavaScript engine deployments and supply chain security.

Technical summary

CVE-2026-47317 is an Uncontrolled Recursion vulnerability (CWE-674) in the Samsung Open Source Escargot JavaScript engine. The vulnerability exists in commit 590345cc6258317c5da850d846ce6baaf2afc2d3 and can result in Excessive Allocation, potentially causing denial of service through memory exhaustion. The CVSS 3.1 score of 5.5 (MEDIUM) reflects a local attack vector with user interaction required. A fix has been proposed via GitHub pull request #1565 to the Samsung/escargot repository. Organizations using Escargot in production environments should monitor for the merged fix and implement resource constraints as a temporary mitigation.

Defensive priority

medium

Recommended defensive actions

  • Review and apply the fix from Samsung Escargot pull request #1565 when merged
  • Update Escargot to a version newer than commit 590345cc6258317c5da850d846ce6baaf2afc2d3 once available
  • Implement resource limits on JavaScript execution environments using Escargot to mitigate potential denial of service
  • Monitor Samsung Escargot repository for official security advisories and release notes

Evidence notes

The CVE description identifies the affected component as Samsung Open Source Escargot and specifies the exact commit hash 590345cc6258317c5da850d846ce6baaf2afc2d3 as the affected version. The CVSS v3.1 vector (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) indicates a local attack vector requiring user interaction, with high availability impact. CWE-674 (Uncontrolled Recursion) is identified as the weakness type. A pull request (#1565) has been submitted to the Samsung/escargot repository to address this issue.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47317 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47317

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-47317 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47317

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.