Use-After-Free Vulnerability in Binaryen's Wasm Binary Builder
CVE-2019-7703

6.5MEDIUM

Key Information:

Vendor

Webassembly

Status
Binaryen
Vendor
CVE Published:
10 February 2019

What is CVE-2019-7703?

A use-after-free vulnerability exists in the wasm::WasmBinaryBuilder::visitCall function in Binaryen version 1.38.22. This flaw can be exploited by remote attackers through specially crafted wasm files, potentially leading to a denial-of-service condition. Such vulnerabilities underscore the importance of maintaining secure coding practices and timely updates to software components.

References

https://github.com/WebAssembly/binaryen/issues/1865
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.