Status: UPDATED | Advisory ID: CVE-2026-0264
| CVE | CVE-2026-0264 |
| CVSS | CVSS 9.8 (Critical). |
| Affected products | Siemens RUGGEDCOM APE1808 Firmware and Palo Alto Networks PAN-OS |
| Classified as | CWE-122 (Heap-based Buffer Overflow) |
A buffer overflow vulnerability in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS® Software allows an unauthenticated attacker with network access to cause a denial of service (DoS) condition (all PAN-OS platforms except Cloud NGFW and Prisma Access) or potentially execute arbitrary code by sending specially crafted network traffic (PA-Series hardware only).
Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2026-0264 |
| Vendor advisory | https://security.paloaltonetworks.com/CVE-2026-0264 |