Medium · CVSS 4.6CVE-2026-0318

PAN-OS: Denial of Service (DoS) on PanoramaCVE-2026-0318

Answer in brief

CVE-2026-0318 records a Medium severity (CVSS 4.6) vulnerability in PAN-OS: Denial of Service (DoS) on Panorama. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/PAN-OS (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 14, 2026Updated Oct 14, 2026Source checked Oct 14, 2026First seen by HOL Oct 14, 2026Material review Oct 14, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 4.6
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 4.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Palo Alto Networks/PAN-OS (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Palo Alto Networks/PAN-OSgeneric	>=12.2.0 <12.2.4 \|\| >=12.1.0 <12.1.10-h2 \|\| >=11.2.0 <11.2.16 \|\| >=11.1.0 <11.1.16-h3	12.2.4, 12.1.10-h2, 11.2.16, 11.1.16-h3

Recommended response

Check inventory. Check lockfiles and deployed manifests for Palo Alto Networks/PAN-OS.
Review the reported fix. Update Palo Alto Networks/PAN-OS to 12.2.4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 14, 2026

Sources and claim methodology

Source referencesecurity.paloaltonetworks.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.