Last Modified: Oct 12, 2026
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
17.5.1.8, 17.5.1.9
Opened: Aug 31, 2026 Severity: 3-Major
After modifying the body of an existing iRule procedure, new connections continue to execute the previous procedure body. The updated procedure is not used even after saving or deploying the configuration
The Connections continue to be processed using the previous procedure logic, potentially causing stale or incorrect application behavior
- The procedure body is modified while the iRule configuration remains in use - New HTTP connections are established after the modification
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