{"id":"CVE-2026-93862","revision":"6379fa116dfc4500974a72402c1e269d","records":[{"revision":"6379fa116dfc4500974a72402c1e269d","observedAt":"2026-10-29T03:25:09.193+00:00","statement":{"source":"cve-program","id":"CVE-2026-93862","aliases":[],"title":"Fireware OS Out-of-Bounds Read in FireCluster Sync Allows Denial of Service","description":"An out-of-bounds read vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to repeatedly crash the firewall's cluster synchronization process by sending specially crafted network traffic, resulting in a sustained denial of service.","state":0,"publishedAt":"2026-10-27T15:52:28.633+00:00","modifiedAt":"2026-10-29T01:52:05.734+00:00","affected":[{"ecosystem":"Vendor product","name":"Fireware OS","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"WatchGuard\",\n                    \"product\": \"Fireware OS\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"2025.1\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"2026.4\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"12.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"12.12.4\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"Default\"\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Fireware OS","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"WatchGuard\",\n                    \"product\": \"Fireware OS\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"12.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"12.5.22\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"T15/T35\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","score":7.2,"severity":"HIGH"}],"references":["https://psirt.watchguard.com/CVE-2026-93862"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93862","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93862","identifiers":["CVE-2026-93862"]},"retained":false,"historicalAffected":[]}],"coverage":[]}