Last Modified: Sep 21, 2026
Affected Product(s):
BIG-IP APM
Known Affected Versions:
16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1
Opened: Jan 19, 2023 Severity: 3-Major
The appropriate log is not displayed when XML parsing fails due to incorrect base64-encoded input
Troubleshooting malformed SAML requests becomes difficult for administrators
- BIG-IP configured as a SAML Identity Provider (IdP) - SAML AuthnRequest received through HTTP POST binding - The SAMLRequest parameter contains malformed data or incorrectly Base64-encoded XML - XML parsing of the decoded AuthnRequest fails
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