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…

Code

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Timeline

Detection, updates, and resolution for this record.

1. May 13, 2026 · NIST NVD

   Detected

   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 NGF

2. Jul 14, 2026 · NIST NVD

   Updated

   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 NGF

Affected

• cpe paloaltonetworks/pan-osversion unspecified
• cpe paloaltonetworks/pan-os10.2.7
• cpe siemens/ruggedcom ape1808 firmwareversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-0264

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-0264

  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 potent

  nvd.nist.gov

References

• Third Party Advisory · cert-portal.siemens.com
• Vendor Advisory · security.paloaltonetworks.com