BugZero | F5 BugID 614586 - tmm assert "invalid racoon2 block header prefix"

F5 - Defect ID: 614586

tmm assert "invalid racoon2 block header prefix"

F5 - Defect ID: 614586

tmm assert "invalid racoon2 block header prefix"

Last updated on July 18th, 2026

BugZero Risk Score
8.6 High

Overall: 8.6

Severity: 9.1

Community: 4.2

Lifecycle: 8.3

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Bug Details

Priority: 2-Critical
Status: Verified
Impact Category: TMOS

Description

Symptoms

tmm asserted and cored.

Impact

tmm restarts and all connections are reset.

Conditions

IPsec IKEv2 in use.

Workaround

None.

Fix Information

The tmm will continue processing by logging and discarding the invalid memory block.

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4, 12.1.0, 12.1.0 hf1, 12.1.0 hf2, 12.1.1, 12.1.1 hf1, 12.1.1 hf2, 12.1.2, 12.1.2 hf1, 12.1.2 hf2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6

Fixed versions: 13.0.0

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 13.0.0

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F5 Integration

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F5 - Defect ID: 614586

tmm assert "invalid racoon2 block header prefix"

F5 - Defect ID: 614586

tmm assert "invalid racoon2 block header prefix"

Last updated on July 18th, 2026

BugZero Risk Score8.6 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 614586

tmm assert "invalid racoon2 block header prefix"

F5 - Defect ID: 614586

tmm assert "invalid racoon2 block header prefix"

Last updated on July 18th, 2026

BugZero Risk Score8.6 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
8.6 High

BugZero Risk Score
8.6 High