Buffer Overflow Vulnerability in Palo Alto Networks PAN-OS Software
CVE-2026-0329

4.6MEDIUM

Key Information:

Vendor

Palo Alto Networks
Status
Cloud Ngfw
Pan-os
Prisma Access
Vendor
CVE Published:
11 November 2026

Badges

👾 Exploit Exists

What is CVE-2026-0329?

The vulnerability in Palo Alto Networks PAN-OS software stems from a buffer overflow issue that allows unauthenticated attackers with network access to send specially crafted network traffic to a dataplane interface. If exploited, this could lead to a denial of service (DoS) condition, disrupting network operations. It's crucial for users to be aware that Cloud NGFW and Panorama are not impacted by this security flaw.

Affected Version(s)

PAN-OS 12.2.0 < 12.2.4-h2

PAN-OS 12.1.0 < 12.1.10-h4

PAN-OS 11.2.0 < 11.2.16-h2

References

https://security.paloaltonetworks.com/CVE-2026-0329
vendor-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

OpenAI
Rotem Bar (internal reporter)
Ben Nott (internal reporter)
.