CVE-2020-5941

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

Vendor	Product	Versions
n/a	BIG-IP	16.0.0-16.0.0.1, 15.1.0-15.1.0.5

References

https://support.f5.com/csp/article/K03125360Vendor Advisory
https://support.f5.com/csp/article/K03125360Vendor Advisory

Timeline

Published: Nov 5, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

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