What’s Vulnerable › Vulnerabilities

CVE-2026-86314

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-07 · updated 2026-09-28
• Weakness: CWE-190

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.

Affected products

• Samsung Opensource Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443

References

• https://github.com/Samsung/walrus/pull/482

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