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CVE PROGRAM SOURCE RECORD4.6 Medium

CVE-2026-0269

PAN-OS: Denial of Service (DoS) in Tunnel Traffic Processing

Description

A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. 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 < 12.1.5affected
  • 11.2.0 to < 11.2.10affected
  • 11.1.0 to < 11.1.6-h21affected
  • 10.2.0 to < 10.2.16-h6affected

Palo Alto Networks Panorama

Default version status: unaffected

  • Allunaffected

Palo Alto Networks Prisma Access

Default version status: unaffected

  • Allunaffected

References