Palo Alto Networks discloses CVE-2026-0317, a denial-of-service vulnerability in PAN-OS 11.1, 11.2, 12.1 and 12.2
Palo Alto Networks PSIRT published an advisory for CVE-2026-0317, a denial-of-service vulnerability in PAN-OS, the operating system of its firewalls. The text provided contains only the advisory title and a list of affected-version CPE entries. It does not give a CVSS score, attack conditions, exploitation status or fixed versions. Defenders running the listed branches should consult the full advisory to confirm exposure and the fix.
Technical Details
- Vulnerability class: denial of service. The article gives no root cause or attack vector.
- Affected PAN-OS versions per the CPE list:
- 12.2: 12.2.2, 12.2.3
- 12.1: 12.1.2 through 12.1.10
- 11.2: 11.2.0 through 11.2.13 and 11.2.15
- 11.1: 11.1.0 through 11.1.6 and 11.1.8 through 11.1.16, including 11.1.16-h1 and 11.1.16-h2
- The article does not mention exploitation in the wild, a public proof of concept or attribution.
Remediation
The article lists no fixed versions or workarounds. Review the official advisory at security.paloaltonetworks.com/CVE-2026-0317 for patch guidance and apply the vendor-recommended update.
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Palo Alto Networks discloses CVE-2026-0317, a denial-of-service vulnerability in PAN-OS 11.1, 11.2, 12.1 and 12.2
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Palo Alto Networks PSIRT published an advisory for CVE-2026-0317, a denial-of-service vulnerability in PAN-OS, the operating system of its firewalls. The text provided contains only the advisory title and a list of affected-version CPE entries. It does not give a CVSS score, attack conditions, exploitation status or fixed versions. Defenders running the listed branches should consult the full advisory to confirm exposure and the fix.
Technical Details
- Vulnerability class: denial of service. The article gives no root cause or attack vector.
- Affected PAN-OS versions per the CPE list:
- 12.2: 12.2.2, 12.2.3
- 12.1: 12.1.2 through 12.1.10
- 11.2: 11.2.0 through 11.2.13 and 11.2.15
- 11.1: 11.1.0 through 11.1.6 and 11.1.8 through 11.1.16, including 11.1.16-h1 and 11.1.16-h2
- The article does not mention exploitation in the wild, a public proof of concept or attribution.
Remediation
The article lists no fixed versions or workarounds. Review the official advisory at security.paloaltonetworks.com/CVE-2026-0317 for patch guidance and apply the vendor-recommended update.