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OpenAdvisories
High · 7.5 CVE-2025-61974 EUVD-2025-34624GHSA-j8fr-j6mp-3j67

BIG-IP SSL/TLS vulnerability

Published Oct 15, 2025 · Updated Feb 26, 2026 · Assigned by f5

Description

When a client SSL profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffectedFixed
F5 BIG-IP 17.5.0 – < 17.5.1.3, 17.1.0 – < 17.1.3, 16.1.0 – < 16.1.6.1, 15.1.0 – < 15.1.10.8 17.5.1.3
F5 BIG-IP Next SPK 2.0.0, 1.9.0, 1.8.0, 1.7.0 —
F5 BIG-IP Next CNF 2.0.0, 1.1.0 —
F5 BIG-IP Next for Kubernetes 2.0.0 —

Advisories 2

References