CVE-2026-0318
PAN-OS: Denial of Service (DoS) on Panorama
Description
A stack-based buffer overflow vulnerability in the log processing functionality of Palo Alto Networks PAN-OS® software on Panorama enables an attacker to cause a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the Panorama entering maintenance mode. Cloud NGFW, Prisma® Access, and standalone PAN-OS firewalls are not affected by this vulnerability.
Weakness: CWE-754
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Palo Alto Networks | PAN-OS Check your version | Firewall / NGFW | cna-assigner |
| Palo Alto Networks | Panorama | Network & Security Management | description |
Vendor-reported products (3)
- Palo Alto Networks · Cloud NGFW — vendor states not affected
- Palo Alto Networks · PAN-OS
- Palo Alto Networks · Prisma Access — vendor states not affected
Credit
Ben Nott (internal reporter)
Vendor remediation
VersionMinor VersionSuggested SolutionCloud NGFWNo action needed.PAN-OS 12.212.2.0 through 12.2.3Upgrade to 12.2.4 or later.PAN-OS 12.112.1.8 through 12.1.10-h*Upgrade to 12.1.10-h2 or later. 12.1.5 through 12.1.7-h*Upgrade to 12.1.7-h8 or 12.1.10-h2 or later. 12.1.2 through 12.1.4-h*Upgrade to 12.1.4-h12 or 12.1.10-h2 or later.PAN-OS 11.211.2.14 through 11.2.14-h*Upgrade to 11.2.15 or later.11.2.11 through 11.2.13-h*Upgrade to 11.2.13-h3 or 11.2.15 or later.11.2.8 through 11.2.10-h*Upgrade to 11.2.10-h15 or 11.2.15 or later.11.2.5 through 11.2.7-h*Upgrade to 11.2.7-h21 or 11.2.15 or later.11.2.0 through 11.2.4-h*Upgrade to 11.2.4-h22 or 11.2.15 or later.PAN-OS 11.111.1.14 through 11.1.16-h* Upgrade to 11.1.16-h3 or later. 11.1.11 through 11.1.13-h*Upgrade to 11.1.13-h15 or 11.1.16-h3 or later. 11.1.8 through 11.1.10-h*Upgrade to 11.1.10-h35 or 11.1.16-h3 or later.11.1.7 through 11.1.7-h*Upgrade to 11.1.7-h11 or 11.1.16-h3 or later.11.1.5 through 11.1.6-h*Upgrade to 11.1.6-h39 or 11.1.16-h3 or later.11.1.0 through 11.1.4-h*Upgrade to 11.1.4-h37 or 11.1.16-h3 or later.All older unsupported PAN-OS versionsUpgrade to a supported fixed version.Prisma Access No action needed.