VULNERABILITY INTELLIGENCE
CVE-2026-86314
CVSS score6.2 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-09-07
Last modified2026-09-28
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-190: Integer Overflow or Wraparound