CVEvulnerability

CVE-2020-18382

6.5 MEDIUM Published 2023-08-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-08-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
CWE-787

Description

Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::visitBlock(wasm::Block*) in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-opt.

Affected configurations

• webassembly binaryen 1.38.26

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References