CVE-2020-18382

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductWebassembly Binaryen
PublishedAug 22, 2023
First seenAug 22, 2023

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
webassembly binaryen1.38.26—

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