Bug ID 879401: Memory corruption during APM SAML SSO

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,

Fixed In:
16.0.0, 15.1.3,

Opened: Feb 10, 2020
Severity: 2-Critical
Related Article:


During processing of SAML SSO single logout (SLO) requests, a block of tmm memory may become corrupted. You might experience several types of unexpected actions, including a TMM restart and core-file generation.


Various possible negative effects, including TMM core. Traffic disrupted while tmm restarts.


-- BIG-IP system is configured as SAML SP. -- External SAML IdP sends SLO request.



Fix Information

BIG-IP systems configured as SAML SP no longer cause memory corruption when handling certain traffic.

Behavior Change