CVE-2021-45293: Fedoraproject Fedora

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A Denial of Service vulnerability exists in Binaryen 103 due to an Invalid memory address dereference in wasm::WasmBinaryBuilder::visitLet.

Affected products

• Fedoraproject Fedora: version 34 only; version 35 only
• Webassembly Binaryen: version 103 only

Published 2021-12-21. Last modified 2026-06-17.