Executive brief
Samsung Escargot is an open-source JavaScript engine used in various Samsung products like smart TVs and appliances. A vulnerability in how the engine handles memory allocation could allow a specially crafted script to consume excessive system memory. This can lead to application crashes or system instability, potentially causing a denial of service for the user.
Technical details
A vulnerability classified as CWE-789 (Memory Allocation with Excessive Size Value) exists in Samsung's Escargot JavaScript engine. The flaw occurs when the engine processes specific operations—potentially within TypedArray or JSON components—that do not properly validate size parameters before allocating memory. An attacker can exploit this by providing a malicious script that requests an extremely large memory buffer, leading to an 'Excessive Allocation' state. This results in a crash or denial of service (DoS). The attack requires local execution or user interaction (e.g., loading a malicious page/script) and has been addressed in pull request #1565 on the project's GitHub repository.
Affected products
- Samsung Escargot 590345cc6258317c5da850d846ce6baaf2afc2d3
Timeline
- 2026-04-28: other: Fix initially proposed in pull request
- 2026-05-14: patched: Fix merged into master branch
- 2026-05-19: advisory: CVE published by Samsung TV & Appliance