CVE-2026-0310
Description
A buffer overflow vulnerability in the XML processing functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web or dataplane interface to cause a denial of service (DoS) condition on VM-Series firewalls or execute arbitrary code with root privileges on the PA-Series firewalls. The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 . Panorama is impacted by this vulnerability.
How to fix
- palo_alto_networks pan-os12.2.3, 12.1.4-h10, 11.2.4-h21, 11.1.4-h36, 10.2.7-h37 or later
- Palo Alto Networks Prisma Access11.2.4-h21, 10.2.7-h37 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| palo_alto_networks pan-os | 12.2.0 ≤ v < 12.2.3, 12.1.0 ≤ v < 12.1.4-h10, 11.2.0 ≤ v < 11.2.4-h21, 11.1.0 ≤ v < 11.1.4-h36, 10.2.0 ≤ v < 10.2.7-h37 | 12.2.3, 12.1.4-h10, 11.2.4-h21, 11.1.4-h36, 10.2.7-h37 |
| Palo Alto Networks Cloud NGFW | No range specified | — |
| Palo Alto Networks Prisma Access | 11.2.0 ≤ v < 11.2.4-h21, 10.2.0 ≤ v < 10.2.7-h37 | 11.2.4-h21, 10.2.7-h37 |
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