עברית

Vulnerability Intelligence

CVE-2026-86314

Medium 6.2

Published
Last modified
NVD status
Deferred

Description

Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung walrus on all platforms allows a remote attacker to cause an out-of-bounds heap read and denial of service via a crafted WebAssembly module in which a 32-bit unsigned addition wraps around and bypasses the bounds check. This issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443.

References1

Metrics

CVSS 3.1
6.2 MEDIUM Score source: CNA CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — exploit probability
0% percentile: 8 · as of 3 November 2026
CWE
CWE-190

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.