Description
A buffer overflow vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to disrupt service processing by causing a service process crash or memory corruption.
Panorama and Prisma® Access are not affected by this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Palo Alto Networks | PAN-OS | 11.1.0 <11.1.16-h5 | — |
| Palo Alto Networks | PAN-OS | 12.2.0 <12.2.4-h2 | — |
| Palo Alto Networks | PAN-OS | 12.1.0 <12.1.10-h4 | — |
| Palo Alto Networks | PAN-OS | 11.2.0 <11.2.16-h2 | — |
| Palo Alto Networks | Cloud NGFW | All | — |
Advisories 1
- WID-SEC-2026-4526 Palo Alto Networks PAN-OS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026