Main Vulnerability Database Vulnerabilities #VU131046

Memory corruption in macOS - CVE-2026-43653

Published: May 12, 2026

Vulnerability identifier: #VU131046

CSH Severity: Medium

CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2026-43653

CWE-ID: CWE-119

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
macOS

Software vendor:
Apple Inc.

Description

The vulnerability allows a remote attacker on the local network to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in mDNSResponder. A remote attacker on the local network can cause a denial-of-service.

Install update from vendor's website.