VULNERABILITY INTELLIGENCE

CVE-2019-7703

CVSS score6.5 MEDIUM

EPSS probability1.46%

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

In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.

Weakness classification

CWE-416: Use After Free

Primary references

cve@mitre.org — Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Third Party Advisory