CVE-2026-39455 — BIG-IP Configuration utility vulnerability

CVE-2026-39455

BIG-IP Configuration utility vulnerability PUBLISHED

Description (CNA)

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol (LDAP) authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected (CNA)

Vendor / product	Versions
F5 / BIG-IP	unaffected 21.1.0 before ; affected 21.0.0 before 21.0.0.2; affected 17.5.0 before 17.5.1.6; affected 17.1.0 before 17.1.3.2; affected 16.1.0 before

CWE

CWE-772

References

https://my.f5.com/manage/s/article/K000160874

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.