High8.7Vendor: MediumPalo Alto Networks Updated
CVE-2026-0262 PAN-OS: Denial of Service Vulnerabilities in Network Traffic Parsing
CVE-2026-0262 Published May 28, 2026
CVE-2026-0262
Affected products & platforms
Palo Alto NetworksPAN-OSFirewall
Summary
CVE-2026-0262 PAN-OS: Denial of Service Vulnerabilities in Network Traffic Parsing
Affected versions
- PAN-OS 12.1: < 12.1.4-h5< 12.1.7
- PAN-OS 11.2: < 11.2.4-h17< 11.2.7-h13< 11.2.10-h6< 11.2.12
- PAN-OS 11.1: < 11.1.4-h33< 11.1.6-h32< 11.1.7-h6< 11.1.10-h25< 11.1.13-h5< 11.1.15
- PAN-OS 10.2: < 10.2.7-h34< 10.2.10-h36< 10.2.13-h21< 10.2.16-h7< 10.2.18-h6
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Fixed versions
- PAN-OS >= 12.1.7
- PAN-OS >= 12.1.4-h5
- PAN-OS >= 11.2.12
- PAN-OS >= 11.2.10-h6
- PAN-OS >= 11.2.7-h13
- PAN-OS >= 11.2.4-h17
- PAN-OS >= 11.1.15
- PAN-OS >= 11.1.13-h5
- PAN-OS >= 11.1.10-h25
- PAN-OS >= 11.1.7-h6
- PAN-OS >= 11.1.6-h32
- PAN-OS >= 11.1.4-h33
- PAN-OS >= 10.2.18-h6
- PAN-OS >= 10.2.16-h7
- PAN-OS >= 10.2.13-h21
- PAN-OS >= 10.2.10-h36
- PAN-OS >= 10.2.7-h34
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- All older unsupported PAN-OS versions Upgrade to a supported fixed version.
Temporary workarounds
- Customers with a Threat Prevention subscription can block attacks for this vulnerability by enabling Threat IDs 510011, 510015, 510022 (HTTP traffic only), and 510023 (from Applications and Threats content version 9100-10044 and later).
- Please note that all of the above Threat IDs require SSL Decryption.
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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