BugZero | F5 BugID 1096317 - SIP msg alg zombie flows

F5 - Defect ID: 1096317

SIP msg alg zombie flows

F5 - Defect ID: 1096317

SIP msg alg zombie flows

Last updated on July 18th, 2026

BugZero Risk Score
6.7 Medium

Overall: 6.7

Severity: 7.3

Community: 4.2

Lifecycle: 7.0

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Bug Details

Priority: 3-Major
Status: Verified
Impact Category: Carrier-Grade NAT

Description

Symptoms

The SIP msg alg can disrupt the expiration of a connflow in a way that it stays alive forever.

Impact

Zombie flow, which cannot be expired anymore.

Conditions

SIPGmsg alg with suspending iRule commands attached.

Workaround

Restart TMM.

Fix Information

Flows are now properly expired.

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3

Fixed versions: 17.5.0, 17.1.1, 15.1.10

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 17.5.0, 17.1.1, 15.1.10

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F5 Integration

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F5 - Defect ID: 1096317

SIP msg alg zombie flows

F5 - Defect ID: 1096317

SIP msg alg zombie flows

Last updated on July 18th, 2026

BugZero Risk Score6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1096317

SIP msg alg zombie flows

F5 - Defect ID: 1096317

SIP msg alg zombie flows

Last updated on July 18th, 2026

BugZero Risk Score6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.7 Medium

BugZero Risk Score
6.7 Medium