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CVE PROGRAM SOURCE RECORD7.2 High

CVE-2026-0264

PAN-OS: Heap-Based Buffer Overflow in DNS Proxy and DNS Server Allows Unauthenticated Remote Code Execution

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Status
Published
Published
Updated
Assigning organization
palo_alto

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Palo Alto Networks Cloud NGFW

Default version status: unaffected

  • Allunaffected

Palo Alto Networks PAN-OS

Default version status: unaffected

  • 12.1.0 to < 12.1.7, 12.1.4-h5affected
  • 11.2.0 to < 11.2.12, 11.2.10-h6, 11.2.7-h13, 11.2.4-h17affected
  • 11.1.0 to < 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33affected
  • 10.2.0 to < 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34affected

Palo Alto Networks Prisma Access

Default version status: unaffected

  • Allunaffected

References