Bug ID 2141365: Certificates fail to load when whitespace characters are present in multi-cert PEM file

Last Modified: Dec 06, 2025

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3

Opened: Nov 03, 2025

Severity: 3-Major

Symptoms

When BIG-IP attempts to load a cert file containing 4 certs and one hf the certificates has a CR/LF before the end delimiter, only the certificates prior to the CR/LF are loaded.

Impact

The BIG-IP system fails to load the subsequent certs when a previous cert has an extra blank line before the end delimiter. This occurs with no errors.

Conditions

-- Certificate file containing more than one certificate -- One of the certificates is separated by an extra linefeed

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips