CVE-2023-48105: Bytecodealliance Webassembly Micro Runtime

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.

Affected products

• Bytecodealliance Webassembly Micro Runtime: version 1.2.3 only

Published 2023-11-22. Last modified 2026-07-09.