DNS: ISC BIND TCP Receive Buffer Length Assertion Denial of Service
This signature detects attempts to exploit a known vulnerability against ISC BIND. A successful attack can result in a denial-of-service condition.
References
CVE: CVE-2020-8620
URL: https://talosintelligence.com/vulnerability_reports/TALOS-2020-1100
Short Name
DNS:OVERFLOW:ISC-BIND-BUFFR-DOS
Severity
Major
Recommended
False
Recommended Action
None
Category
DNS
Keywords
Assertion BIND Buffer CVE-2020-8620 Denial ISC Length Receive Service TCP of
Release Date
08/28/2025
Supported Platforms
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vsrx-19.2
srx-19.3
Sigpack Version
3839
False Positive
Unknown