CVE-2018-13443: Block Jit-Wasm

High severity, CVSS 8.8. EPSS: 2.1% chance of exploitation in the next 30 days.

EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.

Affected products

• Block Jit-Wasm: version 4.1 only

Published 2019-04-24. Last modified 2026-06-17.