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CVE-2026-0264

A buffer overflow vulnerability in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS® Software allows an unauthenticated attacker with network access to cause a denial of service (DoS) condition (all PAN-OS platforms except Cloud NGFW and Prisma Access) or potentially execute arbitrary code by sending specially crafted network traffic (PA-Series hardware only). Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fb7d28fed9b7fd5664bbcecfab73c5cadeaecf1f0a0d9eff889372796b541e3b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 assertions

{"defaultStatus":"unaffected","platforms":["AWS","Azure"],"product":"Cloud NGFW","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/affected/0

{"cpes":["cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.5:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h3:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h2:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:-:*:*:*:*:*:*","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:11.2.11:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:11.2.10:h4:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:11.2.10:h3:*:*:*:*…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Prisma Access","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/affected/2

{"defaultStatus":"unknown","product":"RUGGEDCOM APE1808","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/adp/1/affected/0
cvss · 2 assertions

{"metric":{"Automatable":"YES","Recovery":"AUTOMATIC","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:A/V:D/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentiali…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"Automatable":"YES","Recovery":"USER","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.2,"baseSeverity":"HIGH","exploitMaturity":"UNREPORTED","privilegesRequired":"NONE","providerUrgency":"RED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"CONCENTRATED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:U/AU:Y/R:U/V:C/RE:H/U:Red","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpac…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

4 source assertions
{"defaultStatus":"unaffected","platforms":["AWS","Azure"],"product":"Cloud NGFW","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/affected/0
{"cpes":["cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.5:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h3:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h2:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:-:*:*:*:*:*:*","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:11.2.11:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:11.2.10:h4:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:11.2.10:h3:*:*:*:*…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Prisma Access","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/affected/2
{"defaultStatus":"unknown","product":"RUGGEDCOM APE1808","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/adp/1/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"YES","Recovery":"AUTOMATIC","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:A/V:D/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentiali…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"Automatable":"YES","Recovery":"USER","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.2,"baseSeverity":"HIGH","exploitMaturity":"UNREPORTED","privilegesRequired":"NONE","providerUrgency":"RED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"CONCENTRATED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:U/AU:Y/R:U/V:C/RE:H/U:Red","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpac…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-122","description":"CWE-122 Heap-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-967325.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/adp/1/references/0
{"tags":["vendor-advisory"],"url":"https://security.paloaltonetworks.com/CVE-2026-0264"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b467aa2d35190b5d11fa25e39c7578e1b12d9022b4c9d02e0eb58dfbf4101605 · sha256:79367e16573b4cd3… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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