Threats Tagged 'cve-2026-21920'
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Threats Tagged 'cve-2026-21920'
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CVE-2026-21920 is a high-severity vulnerability in Juniper Networks Junos OS affecting SRX Series devices configured for DNS processing. An unauthenticated, network-based attacker can send a specially crafted DNS request that triggers a crash and restart of the flowd process, causing a denial-of-service (DoS) condition. This vulnerability affects Junos OS versions 23.4 prior to 23.4R2-S5, 24.2 prior to 24.2R2-S1, and 24.4 prior to 24.4R2. No user interaction or authentication is required to exploit this flaw. Join the discussion | CVE Database V5 | 01/15/2026, 20:28:10 UTC Added: 01/15/2026, 20:45:44 UTC |
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