WasmEdge up to 0.16.0-alpha.2 memory.h checkAccessBound integer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in WasmEdge up to 0.16.0-alpha.2 and classified as problematic. This vulnerability affects the function checkAccessBound of the file WasmEdge/include/runtime/instance/memory.h. Performing a manipulation results in integer overflow.
This vulnerability is identified as CVE-2025-69261. The attack can be initiated remotely. There is not any exploit available.
The affected component should be upgraded.
Details
A vulnerability classified as problematic has been found in WasmEdge up to 0.16.0-alpha.2. This affects the function checkAccessBound of the file WasmEdge/include/runtime/instance/memory.h. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on availability. The summary by CVE is:
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.
It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-69261 since 12/30/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 0.16.0-alpha.3 eliminates this vulnerability. Applying the patch 37cc9fa19bd23edbbdaa9252059b17f191fa4d17 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔒
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: WasmEdge 0.16.0-alpha.3
Patch: 37cc9fa19bd23edbbdaa9252059b17f191fa4d17
Timeline
12/30/2025 CVE reserved12/31/2025 Advisory disclosed
12/31/2025 VulDB entry created
03/09/2026 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-89fm-8mr7-gg4m
Status: Confirmed
CVE: CVE-2025-69261 (🔒)
GCVE (CVE): GCVE-0-2025-69261
GCVE (VulDB): GCVE-100-339111
Entry
Created: 12/31/2025 03:54Updated: 03/09/2026 15:49
Changes: 12/31/2025 03:54 (69), 12/31/2025 13:38 (1), 03/09/2026 15:49 (11)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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