CVE-2026-50216

CVSS 5.3 (medium) · published 2026-10-14

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 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.

Weakness: CWE-191

Source: NVD CVE-2026-50216

References

• https://techdocs.akamai.com/guardicore-platform-agent/changelog/
• https://www.akamai.com/newsroom/security-advisories/guardicore-platform-agent-7-4

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