WasmEdge is a WebAssembly runtime. Prior to version 0.16.0-alpha.3, a multiplication in `WasmEdge/include/runtime/instance/memory.h` can wrap, causing `checkAccessBound()` to incorrectly allow the access. This leads to a segmentation fault. Version 0.16.0-alpha.3 contains a patch for the issue.
History

Thu, 01 Jan 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

threat_severity

Moderate


Tue, 30 Dec 2025 20:00:00 +0000

Type Values Removed Values Added
Description WasmEdge is a WebAssembly runtime. Prior to version 0.16.0-alpha.3, a multiplication in `WasmEdge/include/runtime/instance/memory.h` can wrap, causing `checkAccessBound()` to incorrectly allow the access. This leads to a segmentation fault. Version 0.16.0-alpha.3 contains a patch for the issue.
Title WasmEdge integer wrap in MemoryInstance::getSpan()'s memory size check
Weaknesses CWE-190
References
Metrics cvssV4_0

{'score': 5.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-12-30T19:43:59.746Z

Updated: 2025-12-30T19:43:59.746Z

Reserved: 2025-12-30T19:01:05.070Z

Link: CVE-2025-69261

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-30T20:16:02.080

Modified: 2025-12-31T20:42:43.210

Link: CVE-2025-69261

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-12-30T19:43:59Z

Links: CVE-2025-69261 - Bugzilla