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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | — | All |
| Palo Alto Networks | PAN-OS | 12.1.0 – < 12.1.5, 11.2.0 – < 11.2.10, 11.1.0 – < 11.1.6-h21, 10.2.0 – < 10.2.16-h6 | 12.1.5 |
| Palo Alto Networks | Panorama | — | All |
| Palo Alto Networks | Prisma Access | — | All |
Advisories 2
- SSA-967325 SSA-967325: Multiple Vulnerabilities in Palo Alto Networks PAN-OS before V11.2.10-h7 on RUGGEDCOM APE1808 Devices Siemens ProductCERT · Oct 13, 2026
- WID-SEC-2026-1874 Palo Alto Networks PAN-OS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 10, 2026
References
- https://security.paloaltonetworks.com/CVE-2026-0269 vendor-advisory