CVE-2023-31669: Webassembly Binary Toolkit

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

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

Affected products

• Webassembly Webassembly Binary Toolkit: version 1.0.32 only

Published 2023-05-23. Last modified 2026-06-17.