Medium 5.5Published Dec 30, 2025

CVE-2025-69261WasmEdge integer wrap in MemoryInstance::getSpan()'s memory size check

Updated under an hour ago (Oct 25, 2026, 11:10 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for WasmEdge

Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jan 2, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

WasmEdge WasmEdge wasmedge:wasmedge (from the name)	before 0.16.0-alpha.3	CNA record
linuxfoundation wasmedge linuxfoundation:wasmedge	before 0.16.0; 0.16.0; 0.16.0	NVD

References

https://github.com/WasmEdge/WasmEdge/security/advisories/GHSA-89fm-8mr7-gg4mx-refsource-confirm, vendor-advisory
https://github.com/WasmEdge/WasmEdge/commit/37cc9fa19bd23edbbdaa9252059b17f191fa4d17x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.