CVE-2026-86314
Medium
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.
SeverityMedium
CVSS6.2
Exploit probability—
ProductWalrus
PublishedSep 7, 2026
First seenSep 7, 2026
Weakness typeCWE-190Integer overflow
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Samsung Opensource Walrus | ff3bf5ff5c4878f8e5572c9593d303f6bc997443 | — |
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