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CVE-2025-59781
Published: Oct 15, 2025
Modified: Feb 26, 2026
PUBLISHED
CVSS v3.1
7.5
HIGH
Description
When DNS cache is configured on a BIG-IP or BIG-IP Next CNF virtual server, undisclosed DNS queries can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
| Vendor | Product | Versions |
|---|---|---|
F5 | BIG-IP | unaffected 17.5.0 - < *affected 17.1.0 - < 17.1.2.2affected 16.1.0 - < 16.1.6affected 15.1.0 - < 15.1.10.8 |
F5 | BIG-IP Next CNF | unaffected 2.0.0 - < *affected 1.1.0 - < * |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
References
https://my.f5.com/manage/s/article/K000150637
vendor-advisory
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