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Medium severity5.5NVD Advisory· Published Jan 1, 2022· Updated Jun 17, 2026

CVE-2021-45947

CVE-2021-45947

Description

Wasm3 0.5.0 has an out-of-bounds write in Runtime_Release (called from EvaluateExpression and InitDataSegments).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Wasm3/wasm3llm-fuzzy2 versions
<=0.5.0+ 1 more
- (no CPE)range: <=0.5.0
- (no CPE)
Wasm3 Project/Wasm3
cpe:2.3:a:wasm3_project:wasm3:0.5.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

2

bugs.chromium.org/p/oss-fuzz/issues/detailnvdExploitIssue TrackingThird Party Advisory
github.com/google/oss-fuzz-vulns/blob/main/vulns/wasm3/OSV-2021-689.yamlnvdThird Party Advisory

News mentions

0

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