{"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 in Protocol and Service Processing"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0326","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-11-11T17:00:58.737Z","generator":{"date":"2026-11-11T17:00:58.737Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0326","initial_release_date":"2026-11-11T17:00:00.000Z","revision_history":[{"number":"1","date":"2026-11-11T09:00:00.000Z","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<12.2.4-h2","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-957"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.2.4-h2","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-957"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<12.1.10-h4","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-958"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.10-h4","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-958"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.2.16-h2","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-959"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.16-h2","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-959"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.1.16-h5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-960"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.16-h5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-960"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version","name":"Prisma Access All","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-1"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0326","product_status":{"fixed":["PANW-PAN-OS-957","PANW-PAN-OS-958","PANW-PAN-OS-959","PANW-PAN-OS-960"],"known_affected":["PANW-Cloud-NGFW-1","PANW-PAN-OS-957","PANW-PAN-OS-958","PANW-PAN-OS-959","PANW-PAN-OS-960"],"known_not_affected":["PANW-Prisma-Access-1"]},"notes":[{"category":"description","text":"A buffer overflow vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to disrupt service processing by causing a service process crash or memory corruption.\n\nPanorama and Prisma® Access are not affected by this vulnerability.\n\n"}],"references":[{"category":"external","summary":"NVD - CVE-2026-0326","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0326"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0326","url":"https://security.paloaltonetworks.com/CVE-2026-0326"}],"threats":[{"category":"impact","description":"A buffer overflow vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to disrupt service processing by causing a service process crash or memory corruption.\n\nPanorama and Prisma® Access are not affected by this vulnerability.\n\n"}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"MEDIUM","baseScore":6.3,"threatSeverity":"LOW","threatScore":1.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/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-957","PANW-PAN-OS-958","PANW-PAN-OS-959","PANW-PAN-OS-960"]}]}]}