CVE-2026-93862High· 7.2▾ TwilightAn 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 clust…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.6 · likelihood 0 · exploitation 0
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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.
fireware_os >= 2025.1 < 2026.4fireware_os >= 12.0 < 12.12.4fireware_os >= 12.0 < 12.5.22Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22
Connected by shared product, vendor, weakness, or advisory.
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