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CVE PROGRAM SOURCE RECORD6.6 Medium

CVE-2026-0321

PAN-OS: Denial of Service (DoS) Vulnerabilities in Network Services

Description

Denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode. Cloud NGFW and Panorama are not affected 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

  • 12.2.0 to < 12.2.4affected
  • 12.1.0 to < 12.1.10-h2affected
  • 11.2.0 to < 11.2.16affected
  • 11.1.0 to < 11.1.16-h3affected
  • 10.2.0 to < 10.2.18-h12affected

Palo Alto Networks Prisma Access

Default version status: unaffected

  • 12.1.0 to < 12.1.7-h8affected
  • 11.2.0 to < 11.2.7-h21affected
  • 10.2.0 to < 10.2.10-h41affected

References