CVE-2021-45929: WASM3 Project WASM3

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Wasm3 0.5.0 has an out-of-bounds write in CompileBlock (called from CompileElseBlock and Compile_If).

Affected products

• WASM3 Project WASM3: version 0.5.0 only

Published 2022-01-01. Last modified 2026-06-17.