vulnerability
Palo Alto Networks PAN-OS: CVE-2026-0229: PAN-OS: Denial of Service in Advanced DNS Security Feature
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Feb 11, 2026 | Feb 12, 2026 | Feb 12, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Feb 11, 2026
Added
Feb 12, 2026
Modified
Feb 12, 2026
Description
A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.
Cloud NGFW and Prisma Access® are not impacted by this vulnerability.
Cloud NGFW and Prisma Access® are not impacted by this vulnerability.
Solution
palo-alto-networks-pan-os-upgrade-latest
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