{"id":"CVE-2026-50216","title":"An integer underflow exists in the DNS proxy component of the macOS NetworkExtension system extension shipped with Akamai Guardicore Platform Agent (GPA) for macOS, whereby if a UDP datagram shorter than 96 bytes that begins with a speci…","summary":"An integer underflow exists in the DNS proxy component of the macOS NetworkExtension system extension shipped with Akamai Guardicore Platform Agent (GPA) for macOS, whereby if a UDP datagram shorter than 96 bytes that begins with a speci…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-191"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T06:17:06.597","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-50216","references":[{"url":"https://techdocs.akamai.com/guardicore-platform-agent/changelog/","label":"cve@mitre.org"},{"url":"https://www.akamai.com/newsroom/security-advisories/guardicore-platform-agent-7-4","label":"cve@mitre.org"}],"tags":["nvd"],"ingestedAt":"2026-10-14T07:21:04.829Z","slug":"CVE-2026-50216","body":"## Overview\n\nAn integer underflow exists in the DNS proxy component of the macOS NetworkExtension system extension shipped with Akamai Guardicore Platform Agent (GPA) for macOS, whereby if a UDP datagram shorter than 96 bytes that begins with a specific value is received, a subsequent size computation underflows to a near-SIZE_MAX value, causing an allocation failure and uncaught Objective-C exception that aborts the root system extension.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}