Denial-of-Service
Coverage of Denial-of-Service in the Nexus archive.
- Citrix Patches Six NetScaler Flaws Allowing File Read and Denial-of-Service
Citrix released security updates to address six vulnerabilities in NetScaler ADC and NetScaler Gateway, which could allow arbitrary file reads or denial-of-service attacks. The flaws include CVE-2026-8451, rated with a CVSS score of 8.8 due to insufficient input validation.
- CISA Adds Actively Exploited SolarWinds Serv-U DoS Flaw to KEV Catalog
CISA has added a high-severity denial-of-service vulnerability in SolarWinds Serv-U to its KEV catalog, citing active exploitation. The flaw, CVE-2026-28318 with a CVSS score of 7.5, causes the service to crash.
- F5 BIG-IP Vulnerability Reclassified as RCE, Under Exploitation
CVE-2025-53521 was initially reported as a high-severity denial-of-service flaw but has been reclassified as a more dangerous RCE (Remote Code Execution) vulnerability. The security issue is currently under active exploitation.