OSV-2021-676
Heap-buffer-overflow in op_Const64
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33554
Crash type: Heap-buffer-overflow WRITE 8
Crash state:
op_Const64
EvaluateExpression
m3_LoadModule
What each source reports
OSV No score
Heap-buffer-overflow in op_Const64
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33554
Crash type: Heap-buffer-overflow WRITE 8
Crash state:
op_Const64
EvaluateExpression
m3_LoadModule
- Record
OSV-2021-676- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wasm3OSS-Fuzz |
Listed versions, plus commit ranges v0.5.0 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-676 is a vulnerability with no CVSS score yet in wasm3, published April 23, 2021. No source lists public exploit code. A source reports a fix.