Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Paloaltonetworks | Pan-Os | < 10.2.7 |
| Siemens | Ruggedcom Ape1808 Firmware | - |
| Siemens | Ruggedcom Ape1808 | - |
Related Weaknesses (CWE)
References
- https://security.paloaltonetworks.com/CVE-2026-0264Vendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-967325.htmlThird Party Advisory
FAQ
What is CVE-2026-0264?
CVE-2026-0264 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...
How severe is CVE-2026-0264?
CVE-2026-0264 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-0264?
Check the references section above for vendor advisories and patch information. Affected products include: Paloaltonetworks Pan-Os, Siemens Ruggedcom Ape1808 Firmware, Siemens Ruggedcom Ape1808.