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7.5 High

CVE-2026-39455 When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol (LDAP)…

Description

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 products and versions

Product Affected versions Fixed in
BIG-IP 21.1 earliest → < 21.1.0 21.1.0
BIG-IP 21.0 21.0.0 → < 21.0.0.2 21.0.0.2
BIG-IP 17.5 17.5.0 → < 17.5.1.6 17.5.1.6
BIG-IP 17.1 17.1.0 → < 17.1.3.2 17.1.3.2
BIG-IP 16.1 16.1.0 → latest No fix stated

References

Timeline

  1. Published
  2. Last modified

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