{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"PAN-OS: Buffer Overflow Vulnerability via XML Processing "}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0310","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-09-11T00:15:42.792Z","generator":{"date":"2026-09-11T00:15:42.792Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0310","initial_release_date":"2026-09-09T16:00:00.000Z","revision_history":[{"number":"1","date":"2026-09-09T09:00:00.000Z","summary":"Initial Publication"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[{"name":"Cloud NGFW","category":"product_name","branches":[{"category":"product_version","name":"Cloud NGFW All","product":{"name":"Palo Alto Networks Cloud NGFW","product_id":"PANW-Cloud-NGFW-1"}}]},{"name":"PAN-OS","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/PAN-OS<12.2.3","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-879"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.2.3","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-879"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<12.1.4-h10","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-881"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.10","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-876"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.7-h5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-880"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.4-h10","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-881"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.2.4-h21","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-885"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.13-h2","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-877"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.10-h14","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-883"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.7-h20","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-884"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.4-h21","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-885"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.1.4-h36","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-890"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.16-h2","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-878"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.13-h12","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-886"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.10-h33","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-887"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.7-h10","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-888"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.6-h38","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-889"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.4-h36","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-890"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<10.2.7-h37","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-895"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.18-h10","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-891"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.16-h10","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-892"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.13-h24","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-893"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.10-h40","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-894"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.7-h37","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-895"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/Prisma Access>=12.1.0","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-58"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=12.1.7-h5","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-62"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=11.2.0","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-57"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=11.2.7-h20","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-63"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=10.2.0","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-45"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=10.2.10-h40","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-64"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0310","product_status":{"fixed":["PANW-PAN-OS-879","PANW-PAN-OS-876","PANW-PAN-OS-880","PANW-PAN-OS-881","PANW-PAN-OS-877","PANW-PAN-OS-883","PANW-PAN-OS-884","PANW-PAN-OS-885","PANW-PAN-OS-878","PANW-PAN-OS-886","PANW-PAN-OS-887","PANW-PAN-OS-888","PANW-PAN-OS-889","PANW-PAN-OS-890","PANW-PAN-OS-891","PANW-PAN-OS-892","PANW-PAN-OS-893","PANW-PAN-OS-894","PANW-PAN-OS-895","PANW-Prisma-Access-62","PANW-Prisma-Access-63","PANW-Prisma-Access-64"],"known_affected":["PANW-Cloud-NGFW-1","PANW-PAN-OS-879","PANW-PAN-OS-881","PANW-PAN-OS-885","PANW-PAN-OS-890","PANW-PAN-OS-895","PANW-Prisma-Access-57","PANW-Prisma-Access-45"],"known_not_affected":["PANW-Prisma-Access-58"]},"notes":[{"category":"description","text":"A buffer overflow vulnerability in the XML processing functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web or dataplane interface to cause a denial of service (DoS) condition on VM-Series firewalls or execute arbitrary code with root privileges on the PA-Series firewalls.\n\nPanorama is impacted by this vulnerability.\n"}],"references":[{"category":"external","summary":"NVD - CVE-2026-0310","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0310"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0310","url":"https://security.paloaltonetworks.com/CVE-2026-0310"}],"threats":[{"category":"impact","description":"A buffer overflow vulnerability in the XML processing functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web or dataplane interface to cause a denial of service (DoS) condition on VM-Series firewalls or execute arbitrary code with root privileges on the PA-Series firewalls.\n\nPanorama is impacted by this vulnerability.\n"}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"RED","exploitMaturity":"UNREPORTED","baseSeverity":"CRITICAL","baseScore":9.2,"threatSeverity":"HIGH","threatScore":7.2,"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:N/R:U/V:D/RE:M/U:Red"},"products":["PANW-Cloud-NGFW-1","PANW-PAN-OS-879","PANW-PAN-OS-881","PANW-PAN-OS-885","PANW-PAN-OS-890","PANW-PAN-OS-895","PANW-Prisma-Access-57","PANW-Prisma-Access-45"]},{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"HIGH","baseScore":8.7,"threatSeverity":"MEDIUM","threatScore":6.6,"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:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-Cloud-NGFW-1","PANW-PAN-OS-879","PANW-PAN-OS-881","PANW-PAN-OS-885","PANW-PAN-OS-890","PANW-PAN-OS-895","PANW-Prisma-Access-57","PANW-Prisma-Access-45"]},{"cvss_v4":{"version":"4.0","attackVector":"ADJACENT","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"HIGH","baseScore":7.5,"threatSeverity":"MEDIUM","threatScore":4.8,"vectorString":"CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-Cloud-NGFW-1","PANW-PAN-OS-879","PANW-PAN-OS-881","PANW-PAN-OS-885","PANW-PAN-OS-890","PANW-PAN-OS-895","PANW-Prisma-Access-57","PANW-Prisma-Access-45"]},{"cvss_v4":{"version":"4.0","attackVector":"ADJACENT","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"HIGH","baseScore":7.7,"threatSeverity":"MEDIUM","threatScore":5.2,"vectorString":"CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-Cloud-NGFW-1","PANW-PAN-OS-879","PANW-PAN-OS-881","PANW-PAN-OS-885","PANW-PAN-OS-890","PANW-PAN-OS-895","PANW-Prisma-Access-57","PANW-Prisma-Access-45"]}]}]}