{"id":"CVE-2026-0329","kind":"vulnerability","aliases":["CVE-2026-0329"],"related":[],"title":"PAN-OS: crafted network traffic crashes the firewall dataplane","description":"A buffer overflow vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface.\n\n\n\nCloud NGFW and Panorama are not affected by this vulnerability.","summary":"A buffer overflow in Palo Alto Networks PAN-OS lets an unauthenticated attacker on the network send crafted traffic through a dataplane interface. The result is a denial of service, taking the firewall's traffic handling down.","severity":"medium","cvss":4.6,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["firewall","infrastructure","network-security","pan-os"],"not_affected_if":["cloud-ngfw","panorama"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-11T20:17:03+00:00","first_seen_at":"2026-11-11T20:28:52+00:00","triaged_at":"2026-11-11T20:30:16+00:00","updated_at":"2026-11-11T20:30:16+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-11T20:30:16Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"PAN-OS: crafted network traffic crashes the firewall dataplane","impact":"low","summary":"A buffer overflow in Palo Alto Networks PAN-OS lets an unauthenticated attacker on the network send crafted traffic through a dataplane interface. The result is a denial of service, taking the firewall's traffic handling down.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["pan-os","firewall","network-security"],"confidence":0.6,"fix_status":"unknown","needs_auth":"no","worst_case":"firewall dataplane crashes, causing denial of service","analyst_note":"Confirm affected PAN-OS version ranges and fixed versions from the Palo Alto Networks security advisory for CVE-2026-0329.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["cloud-ngfw","panorama"],"who_is_affected":"Only PAN-OS firewalls with a dataplane interface reachable by an attacker on the network are exposed. Cloud NGFW and Panorama are stated as not affected, so those can be skipped.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000681,"input_tokens":4569,"output_tokens":449,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-0329':13A,16A '-2026':12A,15A 'access':80C 'affect':107C 'alto':30B,68C 'attack':38B,77C 'buffer':26B,63C 'caus':82C 'cloud':101C 'condit':88C 'craft':4A,43B,92C 'crash':7A 'cve':11A,14A 'dataplan':10A,47B,99C 'denial':53B,84C 'dos':87C 'enabl':74C 'firewal':9A,17B,58B 'handl':61B 'infrastructur':18B 'interfac':48B,100C 'let':35B 'network':5A,20B,31B,41B,69C,79C,93C 'network-secur':19B 'ngfw':102C 'os':3A,24B,34B,72C 'overflow':27B,64C 'palo':29B,67C 'pan':2A,23B,33B,71C 'pan-o':1A,22B,32B,70C 'panorama':104C 'result':50B 'secur':21B 'send':42B,90C 'servic':55B,86C 'softwar':73C 'special':91C 'take':56B 'traffic':6A,44B,60B,94C 'unauthent':37B,76C 'vulner':65C,110C","nicknames":[],"mitigations":[],"who_affected":"Only PAN-OS firewalls with a dataplane interface reachable by an attacker on the network are exposed. Cloud NGFW and Panorama are stated as not affected, so those can be skipped.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["firewall","infrastructure","medium","networksecurity","panos"],"campaign_type":null,"search_a":"'-0329':13A,16A '-2026':12A,15A 'craft':4A 'crash':7A 'cve':11A,14A 'dataplan':10A 'firewal':9A 'network':5A 'os':3A 'pan':2A 'pan-o':1A 'traffic':6A","search_b":"'alto':30B 'attack':38B 'buffer':26B 'craft':43B 'dataplan':47B 'denial':53B 'firewal':17B,58B 'handl':61B 'infrastructur':18B 'interfac':48B 'let':35B 'network':20B,31B,41B 'network-secur':19B 'os':24B,34B 'overflow':27B 'palo':29B 'pan':23B,33B 'pan-o':22B,32B 'result':50B 'secur':21B 'send':42B 'servic':55B 'take':56B 'traffic':44B,60B 'unauthent':37B","search_c":"'access':80C 'affect':107C 'alto':68C 'attack':77C 'buffer':63C 'caus':82C 'cloud':101C 'condit':88C 'craft':92C 'dataplan':99C 'denial':84C 'dos':87C 'enabl':74C 'interfac':100C 'network':69C,79C,93C 'ngfw':102C 'os':72C 'overflow':64C 'palo':67C 'pan':71C 'pan-o':70C 'panorama':104C 'send':90C 'servic':86C 'softwar':73C 'special':91C 'traffic':94C 'unauthent':76C 'vulner':65C,110C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T20:17:03+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber","cvss_by":"psirt@paloaltonetworks.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-0329","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0329","severity":null,"published_at":"2026-11-11T20:17:03+00:00","modified_at":"2026-11-11T20:17:03+00:00","first_seen_at":"2026-11-11T20:28:52+00:00","fetched_at":"2026-11-11T20:28:52+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}