CVE-2023-30300: w3 Webassembly

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue in the component hang.wasm of WebAssembly 1.0 causes an infinite loop.

Affected products

• w3 Webassembly: version 1.0 only

Published 2023-05-03. Last modified 2026-06-17.