Bug ID 2238473: MCP DNS rule validation for DNS type64 or type65 results in SIGSEGV

Last Modified: Apr 26, 2026

Affected Product(s):
BIG-IP None(all modules)

Known Affected Versions:
17.5.1.3, 17.5.1.4, 17.5.1.5

Opened: Mar 10, 2026

Severity: 2-Critical

Symptoms

MCPD is crashing when an iRule is attached to a wideip of type64 or type65.

Impact

MCPD crashes

Conditions

Configure a wideip of type64 or type65, attach an iRule, and then MCPD crashes.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips