CVE-2026-86314 Details
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.
An integer overflow vulnerability has been identified in the source-bounds check within the Memory::init() function of Samsung Walrus, affecting all platforms. This vulnerability allows remote attackers to cause an out-of-bounds heap read and a denial-of-service condition by exploiting a crafted WebAssembly module. The exploitation involves manipulating a 32-bit unsigned addition to wrap around and bypass the bounds check.
Users can refer to the official Samsung Walrus GitHub repository for the latest updates and patches.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 7, 2026CISA-ADP
Assessed Sep 8, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Samsung/walrus/pull/482 | [email protected] | Issue TrackingVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-190 | Integer Overflow or Wraparound | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Samsung walrus | ff3bf5ff5c4878f8e5572c9593d303f6bc997443 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 8, 2026 | CVE Modified | CISA-ADP |
| Sep 7, 2026 | New CVE Received | [email protected] |