A buffer overflow vulnerability in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS® Software allows an unauthenticated attacker with network access to cause a denial of service (DoS) condition (all PAN-OS platforms except Cloud NGFW and Prisma Access) or potentially execute arbitrary code by sending specially crafted network traffic (PA-Series hardware only).
Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.
References
| Link | Resource |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0264 | Vendor Advisory |
| https://cert-portal.siemens.com/productcert/html/ssa-967325.html | Third Party Advisory |
Configurations
Configuration 1 (hide)
|
Configuration 2 (hide)
|
Configuration 3 (hide)
|
Configuration 4 (hide)
|
Configuration 5 (hide)
| AND |
|
History
26 Oct 2026, 17:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary |
|
Information
Published : 2026-05-13 18:16
Updated : 2026-10-26 17:10
NVD link : CVE-2026-0264
Mitre link : CVE-2026-0264
CVE.ORG link : CVE-2026-0264
JSON object : View
Products Affected
paloaltonetworks
- pan-os
siemens
- ruggedcom_ape1808_firmware
- ruggedcom_ape1808
CWE
CWE-122
Heap-based Buffer Overflow
