CVE-2026-0264— PAN-OS: Heap-Based Buffer Overflow in DNS Proxy and DNS Server Allows Unauthenticated Remote Code Execution
Possible ATT&CK Techniques 3AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client ExecutionAffected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | All | unaffected |
| Palo Alto Networks | PAN-OS | 12.1.0< 12.1.7, 12.1.4-h5 | affected |
11.2.0< 11.2.12, 11.2.10-h6, 11.2.7-h13, 11.2.4-h17 | affected | ||
11.1.0< 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33 | affected | ||
10.2.0< 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34 | affected | ||
| Palo Alto Networks | Prisma Access | All | unaffected |
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I. Basic Information for CVE-2026-0264
Vulnerability Information
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Vulnerability Title
PAN-OS: Heap-Based Buffer Overflow in DNS Proxy and DNS Server Allows Unauthenticated Remote Code Execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks PAN-OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks PAN-OS是美国Palo Alto Networks公司的一套为其防火墙设备开发的操作系统。 Palo Alto Networks PAN-OS存在安全漏洞，该漏洞源于DNS代理和DNS服务器功能中的缓冲区溢出，可能导致未经身份验证的攻击者通过网络访问发送特制网络流量造成拒绝服务或执行任意代码。以下产品及版本受到影响：除Cloud NGFW和Prisma Access外的所有PAN-OS平台。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | - | - | |
| Palo Alto Networks | PAN-OS | 12.1.0 ~ 12.1.7, 12.1.4-h5 | cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:* | |
| Palo Alto Networks | Prisma Access | - | - |
II. Public POCs for CVE-2026-0264
| # | POC Description | Source Link | Shenlong Link |
|---|
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Advisory · 1
Same Patch Batch · Palo Alto Networks · 2026-05-13 · 26 CVEs total
| CVE-2026-0256 | PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface | |
| CVE-2026-0242 | Trust Protection Foundation: SQL Injection Vulnerability | |
| CVE-2026-0258 | PAN-OS: Server-Side Request Forgery (SSRF) in IKEv2 Certificate URL Fetching | |
| CVE-2026-0245 | Prisma Access Agent: Information Disclosure Vulnerabilities | |
| CVE-2026-0259 | WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire App | |
| CVE-2026-0236 | Prisma Browser: Code Injection Enables Security Controls Bypass | |
| CVE-2026-0241 | Trust Protection Foundation: Multiple Authorization Bypass Vulnerabilities | |
| CVE-2026-0261 | PAN-OS: Authenticated Admin Command Injection Vulnerability | |
| CVE-2026-0265 | PAN-OS: Authentication Bypass with Cloud Authentication Service (CAS) enabled | |
| CVE-2026-0243 | Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet | |
| CVE-2026-0262 | PAN-OS: Denial of Service Vulnerabilities in Network Traffic Parsing | |
| CVE-2026-0237 | Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass | |
| CVE-2026-0247 | Prisma Access Agent Endpoint DLP: Authorization Bypass Vulnerabilities | |
| CVE-2026-0250 | GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway | |
| CVE-2026-0238 | Broker VM: Improper Input Validation in Broker VM Certificate and Key Fields | |
| CVE-2026-0235 | Prisma Browser: Access and Data Rule Bypass | |
| CVE-2026-0251 | GlobalProtect App: Local Privilege Escalation Vulnerabilities | |
| CVE-2026-0249 | GlobalProtect App: Certificate Validation Bypass Vulnerabilities | |
| CVE-2026-0240 | Trust Protection Foundation: Sensitive Information Disclosure Vulnerability | |
| CVE-2026-0244 | Prisma SD-WAN: Improper Certificate Validation Vulnerability |
Showing top 20 of 26 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Cloud NGFW
- CVE-2026-0256
PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in t - CVE-2026-0257
PAN-OS: GlobalProtect Authentication Bypass Vulnerabilities - CVE-2026-0258
PAN-OS: Server-Side Request Forgery (SSRF) in IKEv2 Certific - CVE-2026-0261
PAN-OS: Authenticated Admin Command Injection Vulnerability - CVE-2026-0262
PAN-OS: Denial of Service Vulnerabilities in Network Traffic
Same vendor: Palo Alto Networks
- CVE-2026-0243
Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through - CVE-2026-0248
Prisma Access Agent: Improper Certificate Validation Vulnera - CVE-2026-0242
Trust Protection Foundation: SQL Injection Vulnerability - CVE-2026-0244
Prisma SD-WAN: Improper Certificate Validation Vulnerability - CVE-2026-0241
Trust Protection Foundation: Multiple Authorization Bypass V
V. Comments for CVE-2026-0264
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