BugZero | F5 BugID 528736 - When tcp connection is aborting tmm can crash with...

F5 - Defect ID: 528736

When tcp connection is aborting tmm can crash with "hud_oob consumed" message

F5 - Defect ID: 528736

When tcp connection is aborting tmm can crash with "hud_oob consumed" message

Last updated on July 18th, 2026

BugZero Risk Score
6.9 Medium

Overall: 6.9

Severity: 7.3

Community: 4.2

Lifecycle: 8.3

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Bug Details

Priority: 3-Major
Status: Verified
Impact Category: Local Traffic Manager

Description

Symptoms

TMM crashes with "hud_oob consumed" message in the log.

Impact

Traffic disrupted while tmm restarts.

Conditions

This is a rarely occurring edge case. It can be seen when tcp has been aborted and messages exist in an internal queue.

Workaround

None

Fix Information

Tcp aborts correctly when there are messages in an internal queue.

Change history

Links

Original Vendor Announcement

Relevant Products

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Affected versions:11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4

Fixed versions: 12.1.0

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 12.1.0

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F5 Integration

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F5 - Defect ID: 528736

When tcp connection is aborting tmm can crash with "hud_oob consumed" message

F5 - Defect ID: 528736

When tcp connection is aborting tmm can crash with "hud_oob consumed" message

Last updated on July 18th, 2026

BugZero Risk Score6.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 528736

When tcp connection is aborting tmm can crash with "hud_oob consumed" message

F5 - Defect ID: 528736

When tcp connection is aborting tmm can crash with "hud_oob consumed" message

Last updated on July 18th, 2026

BugZero Risk Score6.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.9 Medium

BugZero Risk Score
6.9 Medium