{"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service.","severity":"high","score":7.2,"published":"2026-10-27T15:52:28.633Z","modified":"2026-10-27T15:52:28.633Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://psirt.watchguard.com/CVE-2026-93862"],"sources":[{"name":"CVE","id":"CVE-2026-93862","modified":"2026-10-27T15:52:28.633Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-93862"}],"assessments":[{"source":"CNA","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}]}