CVE-2026-86314
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.2
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS probability
- 0.13%
- CWE
- CWE-190
- Published
- 2026-09-07
- Last modified
- 2026-09-08
Affected products
- Samsung Opensource Walrus
Weakness type
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