{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0229", "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "state": "PUBLISHED", "assignerShortName": "palo_alto", "dateReserved": "2025-11-03T20:43:50.406Z", "datePublished": "2026-02-11T17:56:09.270Z", "dateUpdated": "2026-02-11T18:58:48.926Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Cloud NGFW", "vendor": "Palo Alto Networks", "versions": [{"status": "unaffected", "version": "All", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:palo_alto_networks:pan-os:12.1.3:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:12.1.2:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.9:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.8:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.6:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.5:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.4:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.3:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.2:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.1:*:*:*:*:*:*:*", "cpe:2.3:o:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "PAN-OS", "vendor": "Palo Alto Networks", "versions": [{"changes": [{"at": "12.1.4", "status": "unaffected"}], "lessThan": "12.1.4", "status": "affected", "version": "12.1.0", "versionType": "custom"}, {"changes": [{"at": "11.2.10", "status": "unaffected"}], "lessThan": "11.2.10", "status": "affected", "version": "11.2.0", "versionType": "custom"}, {"changes": [{"at": "11.1.11", "status": "unaffected"}], "lessThan": "11.1.11", "status": "unaffected", "version": "11.1.0", "versionType": "custom"}, {"changes": [{"at": "10.2.17", "status": "unaffected"}], "lessThan": "10.2.17", "status": "unaffected", "version": "10.2.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "Prisma Access", "vendor": "Palo Alto Networks", "versions": [{"changes": [{"at": "11.2.7-h10", "status": "unaffected"}, {"at": "10.2.10-h28", "status": "unaffected"}], "lessThan": "10.2.10-h28", "status": "unaffected", "version": "All", "versionType": "custom"}]}], "configurations": [{"lang": "eng", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The firewall must have Advanced DNS Security (ADNS) enabled and a spyware profile with actions configured to block, sinkhole, or alert (i.e., any non-allow value)."}], "value": "The firewall must have Advanced DNS Security (ADNS) enabled and a spyware profile with actions configured to block, sinkhole, or alert (i.e., any non-allow value)."}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*", "versionEndExcluding": "12.1.4", "versionStartIncluding": "12.1.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*", "versionEndExcluding": "11.2.10", "versionStartIncluding": "11.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "an internal reporter, jliu@TikkalaSecurity,"}], "datePublic": "2026-02-11T17:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS\u00ae 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\u00ae are not impacted by this vulnerability."}], "value": "A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS\u00ae 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.\n\nCloud NGFW and Prisma Access\u00ae are not impacted by this vulnerability."}], "exploits": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue."}], "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue."}], "impacts": [{"capecId": "CAPEC-153", "descriptions": [{"lang": "en", "value": "CAPEC-153 Input Data Manipulation"}]}], "metrics": [{"cvssV4_0": {"Automatable": "YES", "Recovery": "USER", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 6.6, "baseSeverity": "MEDIUM", "exploitMaturity": "UNREPORTED", "privilegesRequired": "NONE", "providerUrgency": "AMBER", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "DIFFUSE", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/V:D/RE:M/U:Amber", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "shortName": "palo_alto", "dateUpdated": "2026-02-11T17:56:09.270Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://security.paloaltonetworks.com/CVE-2026-0229"}], "solutions": [{"lang": "eng", "supportingMedia": [{"base64": false, "type": "text/html", "value": "\n \n \n \n \n \n \n \n
Version
Minor Version
Suggested Solution
Cloud NGFW All No action needed. 
PAN-OS 12.1
12.1.2 through 12.1.3Upgrade to 12.1.4 or later.
PAN-OS 11.2
11.2.0 through 11.2.9Upgrade to 11.2.10 or later.
PAN-OS 11.1
No action needed.
PAN-OS 10.2
No action needed.
All older
unsupported
PAN-OS versions		 Upgrade to a supported fixed version.
Prisma Access AllNo action needed.
"}], "value": "VERSION MINOR VERSION SUGGESTED SOLUTION\nCloud NGFW All \u00a0 No action needed.\u00a0\nPAN-OS 12.1 12.1.2 through 12.1.3 Upgrade to 12.1.4 or later.\nPAN-OS 11.2 11.2.0 through 11.2.9 Upgrade to 11.2.10 or later.\nPAN-OS 11.1 No action needed.\nPAN-OS 10.2 No action needed.\nAll older \u00a0 Upgrade to a supported fixed version.\nunsupported\nPAN-OS versions\nPrisma Access All No action needed."}], "source": {"discovery": "INTERNAL"}, "timeline": [{"lang": "en", "time": "2026-02-11T17:00:00.000Z", "value": "Initial Publication"}], "title": "PAN-OS: Denial of Service in Advanced DNS Security Feature", "workarounds": [{"lang": "eng", "supportingMedia": [{"base64": false, "type": "text/html", "value": "No known workarounds exist for this issue. Due to the nature of this vulnerability, a Threat Prevention Signature to detect this is also not possible. "}], "value": "No known workarounds exist for this issue. Due to the nature of this vulnerability, a Threat Prevention Signature to detect this is also not possible."}], "x_affectedList": ["PAN-OS 12.1.3-h3", "PAN-OS 12.1.3-h1", "PAN-OS 12.1.3", "PAN-OS 12.1.2", "PAN-OS 11.2.9", "PAN-OS 11.2.8", "PAN-OS 11.2.7-h10", "PAN-OS 11.2.7-h8", "PAN-OS 11.2.7-h7", "PAN-OS 11.2.7-h4", "PAN-OS 11.2.7-h3", "PAN-OS 11.2.7-h2", "PAN-OS 11.2.7-h1", "PAN-OS 11.2.7", "PAN-OS 11.2.6", "PAN-OS 11.2.5", "PAN-OS 11.2.4-h15", "PAN-OS 11.2.4-h14", "PAN-OS 11.2.4-h12", "PAN-OS 11.2.4-h11", "PAN-OS 11.2.4-h10", "PAN-OS 11.2.4-h9", "PAN-OS 11.2.4-h8", "PAN-OS 11.2.4-h7", "PAN-OS 11.2.4-h6", "PAN-OS 11.2.4-h5", "PAN-OS 11.2.4-h4", "PAN-OS 11.2.4-h3", "PAN-OS 11.2.4-h2", "PAN-OS 11.2.4-h1", "PAN-OS 11.2.4", "PAN-OS 11.2.3-h5", "PAN-OS 11.2.3-h4", "PAN-OS 11.2.3-h3", "PAN-OS 11.2.3-h2", "PAN-OS 11.2.3-h1", "PAN-OS 11.2.3", "PAN-OS 11.2.2-h2", "PAN-OS 11.2.2-h1", "PAN-OS 11.2.1-h1", "PAN-OS 11.2.1", "PAN-OS 11.2.0-h1", "PAN-OS 11.2.0"], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-11T18:30:06.401502Z", "id": "CVE-2026-0229", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-11T18:58:48.926Z"}}]}}