CVE-2025-69261

WasmEdge integer wrap in MemoryInstance::getSpan()'s memory size check

Published Dec 30, 2025 CVSS 4.0 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Linuxfoundation
Linuxfoundation wasmedge
CPEs cpe:2.3:a:linuxfoundation:wasmedge:*:*:*:*:*:*:*:*
cpe:2.3:a:linuxfoundation:wasmedge:0.16.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:linuxfoundation:wasmedge:0.16.0:alpha2:*:*:*:*:*:*
Vendors & Products Linuxfoundation
Linuxfoundation wasmedge
Metrics 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'}

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jan 2, 2026, 3:16 PM
Reserved
Dec 30, 2025, 7:01 PM
Status
Analyzed
Published
Dec 30, 2025, 8:16 PM
Modified
Jun 17, 2026, 10:00 AM
Severity
Moderate
Public date
Dec 30, 2025, 7:43 PM