CVE-2026-0318

PAN-OS: Denial of Service (DoS) on Panorama

At a glance

Severity: MEDIUM 4.6
EPSS: EPSS 0.32 % · percentile 24 (2026-10-27)
State: PUBLISHED
Published: 2026-10-14
Updated: 2026-10-15
Assigner: palo_alto
NVD status: Awaiting Analysis

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.

Scores

Version	Score	Vector	Scored by
CVSS 4.0	MEDIUM 4.6	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber	palo_alto
CVSS 4.0	MEDIUM 4.6	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber	NVD · psirt@paloaltonetworks.com (Secondary)

Weaknesses (CWE)

CWE-754

European references

ENISA EUVD · EUVD-2026-101636
GCVE · GCVE-0-2026-0318

CERT-FR advisories

CERTFR-2026-AVI-1326 — Multiples vulnérabilités dans les produits Palo Alto Networks · cert.ssi.gouv.fr

Affected products

Product	Versions
Palo Alto Networks · Cloud NGFW	unaffected All
Palo Alto Networks · PAN-OS	affected 12.2.0 < 12.2.4 ; affected 12.1.0 < 12.1.10-h2 ; affected 11.2.0 < 11.2.16 ; affected 11.1.0 < 11.1.16-h3
Palo Alto Networks · Prisma Access	unaffected All < 12.1.7-h8

References

https://security.paloaltonetworks.com/CVE-2026-0318

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD