{"id":"CVE-2026-79886","title":"Unauthenticated Buffer Overflow Vulnerability leads to Denial-of-Service in AOS-8","summary":"An unauthenticated buffer overflow vulnerability exists in the PAPI protocol of AOS-8. Successful exploitation could allow an unauthenticated remote attacker to disrupt the availability of the affected service on the controller, with a l…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","cvssSource":"cna","vendor":"Hewlett Packard Enterprise (HPE)","product":"ArubaOS (AOS)","affected":["arubaos_aos >= 8.13.0.0 <= 8.13.3.0","arubaos_aos >= 8.10.0.0 <= 8.10.0.23"],"published":"2026-10-22","updated":"2026-10-23","sourceUpdated":"2026-10-23T19:13:38.826Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-79886","references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US"}],"tags":["cve.org"],"epss":0.00367,"epssPercentile":0.30355,"ingestedAt":"2026-10-22T22:00:50.385Z","slug":"CVE-2026-79886","body":"## Overview\n\nAn unauthenticated buffer overflow vulnerability exists in the PAPI protocol of AOS-8. Successful exploitation could allow an unauthenticated remote attacker to disrupt the availability of the affected service on the controller, with a limited impact to its integrity.\n\n## Affected\n\n- `arubaos_aos >= 8.13.0.0 <= 8.13.3.0`\n- `arubaos_aos >= 8.10.0.0 <= 8.10.0.23`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}