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Medium · 5.2 CVE-2026-0297 EUVD-2026-57711GHSA-pc3v-5r9c-7gm7

GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake

Published Aug 13, 2026 · Updated Aug 13, 2026 · Assigned by palo_alto

Description

A buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect™ app that enables a man-in-the-middle (MitM) attacker or a rogue gateway to disrupt system processes and potentially execute arbitrary code with elevated privileges (SYSTEM privileges on Windows, and root privileges on macOS and Linux).

Affected products

VendorProductAffectedFixed
Palo Alto Networks GlobalProtect App 6.3.0 – < 6.3.3-h15, 6.2.0, 6.0.0 – < 6.0.15, 6.3.0 – < 6.3.3-h14, 6.2.0 – < 6.2.8-h13, 6.0.0 – < 6.0.15, 6.3.0 – < 6.3.5, 6.0.0 – < 6.0.15 6.3.3-h15

Advisories 1

References