VULNERABILITY INTELLIGENCE

CVE-2019-7700

CVSS score6.5 MEDIUM
EPSS probability1.15%
CISA KEVNot currently listed
Published2019-02-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references