Out-of-Bounds Write Vulnerability in Samsung Open Source Escargot for Linux x86-64

CVE-2026-86315

What is CVE-2026-86315?

An out-of-bounds write vulnerability in Samsung's Open Source Escargot on Linux x86-64 platforms allows an attacker to potentially corrupt native memory. This can be exploited via specially crafted JavaScript, where a crafted class definition's instance initialization entry count exceeds the UINT16_MAX limit, leading to a crash of the host process. Users of affected versions should take immediate precautions to mitigate this risk.

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