CVE-2026-0318 PAN-OS: Denial of Service (DoS) on Panorama
A stack-based buffer overflow in PAN-OS Panorama log processing allows attackers to cause a denial of service, forcing the system into maintenance mode.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0318?
CVE-2026-0318 is a medium-severity memory corruption vulnerability in Palo Alto Networks Cloud NGFW, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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
Which versions are affected by CVE-2026-0318?
How do I fix CVE-2026-0318?
No fix has been published for CVE-2026-0318 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-0318 being exploited?
There is no known exploitation of CVE-2026-0318 in the wild and no public exploit code.
Sources
Also known as GHSA-v7v4-h8rr-f7x9.