CVE-2026-0229 (GCVE-0-2026-0229)
Vulnerability from cvelistv5 – Published: 2026-02-11 17:56 – Updated: 2026-02-11 18:58
VLAI?
Title
PAN-OS: Denial of Service in Advanced DNS Security Feature
Summary
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.
Severity ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
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|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Palo Alto Networks | Cloud NGFW |
Unaffected:
All
(custom)
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Credits
an internal reporter, jliu@TikkalaSecurity,
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\"value\": \"Palo Alto Networks is not aware of any malicious exploitation of this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Palo Alto Networks is not aware of any malicious exploitation of this issue.\", \"base64\": false}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-02-11T17:00:00.000Z\", \"value\": \"Initial Publication\"}], \"solutions\": [{\"lang\": \"eng\", \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003ctable\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eVersion\u003cbr\u003e\u003c/th\u003e\u003cth\u003eMinor Version\u003cbr\u003e\u003c/th\u003e\u003cth\u003eSuggested Solution\u003cbr\u003e\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eCloud NGFW All\u003c/td\u003e\u003ctd\u003e\u0026nbsp;\u003c/td\u003e\u003ctd\u003eNo action needed.\u0026nbsp;\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\\n \u003ctd\u003ePAN-OS 12.1\u003cbr\u003e\u003c/td\u003e\\n \u003ctd\u003e12.1.2 through 12.1.3\u003c/td\u003e\\n \u003ctd\u003eUpgrade to 12.1.4 or later.\u003c/td\u003e\\n \u003c/tr\u003e\u003ctr\u003e\\n \u003ctd\u003ePAN-OS 11.2\u003cbr\u003e\u003c/td\u003e\\n \u003ctd\u003e11.2.0 through 11.2.9\u003c/td\u003e\\n \u003ctd\u003eUpgrade to 11.2.10 or later.\u003c/td\u003e\\n \u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 11.1\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 10.2\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAll older\u003cbr\u003eunsupported\u003cbr\u003ePAN-OS versions\u003c/td\u003e\u003ctd\u003e\u0026nbsp;\u003c/td\u003e\u003ctd\u003eUpgrade to a supported fixed version.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePrisma Access All\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\", \"base64\": false}]}], \"datePublic\": \"2026-02-11T17:00:00.000Z\", \"references\": [{\"url\": \"https://security.paloaltonetworks.com/CVE-2026-0229\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"eng\", \"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.\", \"supportingMedia\": [{\"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.\u0026nbsp;\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"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.\", \"supportingMedia\": [{\"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.\u003cbr\u003e\u003cbr\u003eCloud NGFW and Prisma Access\\u00ae are not impacted by this vulnerability.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-754\", \"description\": \"CWE-754 Improper Check for Unusual or Exceptional Conditions\"}]}], \"configurations\": [{\"lang\": \"eng\", \"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).\", \"supportingMedia\": [{\"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).\", \"base64\": false}]}], \"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\"], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"12.1.4\", \"versionStartIncluding\": \"12.1.2\"}, {\"criteria\": \"cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"11.2.10\", \"versionStartIncluding\": \"11.2.0\"}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"d6c1279f-00f6-4ef7-9217-f89ffe703ec0\", \"shortName\": \"palo_alto\", \"dateUpdated\": \"2026-02-11T17:56:09.270Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-0229\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-11T18:58:48.926Z\", \"dateReserved\": \"2025-11-03T20:43:50.406Z\", \"assignerOrgId\": \"d6c1279f-00f6-4ef7-9217-f89ffe703ec0\", \"datePublished\": \"2026-02-11T17:56:09.270Z\", \"assignerShortName\": \"palo_alto\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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