CVE-2026-102078
CVE-2026-102078 · Junos OS: SRX Series: A high volume of DNS traffic over TCP can lead to a flowd crash
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A Use After Free vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). When web filtering for TCP traffic is configured, a high volume of DNS requests increases the likelihood of a flowd crash and restart, which leads to a complete service outage until the service has automatically recovered. This is a race condition outside the attacker's direct control. This issue affects Junos OS on SRX Series: * All versions before 23.2R2-S5; * from 23.4 before 23.4R2-S6; * from 24.2 before 24.2R2-S3; * from 24.4 before 24.4R2-S1; * from 25.2 before 25.2R1-S1, 25.2R2.
CVSS 8.2 · Hoch · EPSS 0,3% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Betroffene Produkte und Versionen
junos os
- Softwareversionen
- ≥ 0, < 23.2R2-S5: Betroffen (custom)
- ≥ 23.4, < 23.4R2-S6: Betroffen (custom)
- ≥ 24.2, < 24.2R2-S3: Betroffen (custom)
- ≥ 24.4, < 24.4R2-S1: Betroffen (custom)
- ≥ 25.2, < 25.2R1-S1, 25.2R2: Betroffen (custom)
Auf 23.2R2-S5 aktualisieren