CVE-2020-18382

Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::visitBlock(wasm::Block*) in Binaryen 1.38.26

published August 22, 2023

CVSS
—
EPSS
1%
Percentile
48.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00618 · 48.9th percentile
Published
2023-08-22T00:00Z
EPSS history
Timeline
  • 22 AUG 00:00Z
    Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::visitBlock(wasm::Block*) in Binaryen 1.38.26
    cvelistv5