What’s Vulnerable › Vulnerabilities

CVE-2021-38592

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-12 · updated 2026-06-17
• Weakness: CWE-787

Description

Wasm3 0.5.0 has a heap-based buffer overflow in op_Const64 (called from EvaluateExpression and m3_LoadModule).

Affected products

• wasm3: 0.5.0

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33554
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wasm3/OSV-2021-676.yaml
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33554
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wasm3/OSV-2021-676.yaml

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