All vulnerabilities

Servers and applications

CVE-2020-5941

On BIG-IP versions 16.0.0-16.0.0.1 and 15.1.0-15.1.0.5, using the RESOLV::lookup command within an iRule may cause the Traffic Management Microkernel (TMM) to generate a core file and restart. This issue occurs when data exceeding the maximum limit of a hostname passes to the RESOLV::lookup command.

Severity
High 7.5
Published
5 Nov 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
15.1.1, 16.0.1
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 15.1.0 before 15.1.1
  • From 16.0.0 before 16.0.1
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 15.1.0 before 15.1.1
  • From 16.0.0 before 16.0.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-5941
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-5941