BugZero | F5 BugID 1391081 - TMM crash when running HTTP/3 and persist record

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

Last updated on July 28th, 2026

BugZero Risk Score
6.8 Medium

Overall: 6.8

Severity: 7.3

Community: 4.2

Lifecycle: 7.8

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Bug Details

Priority: 3-Major
Status: Not Verified
Impact Category: Local Traffic Manager

Description

Symptoms

TMM crashes when handling an HTTP/3 request.

Impact

Traffic disrupted while tmm restarts.

Conditions

HTTP/3 traffic on a BIG-IP system with multiple TMMs and the use of persistence.

Workaround

None

Fix Information

None

Change history

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F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

Last updated on July 28th, 2026

BugZero Risk Score
6.8 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

Last updated on July 28th, 2026

BugZero Risk Score
6.8 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

Last updated on July 28th, 2026

BugZero Risk Score6.8 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

F5 - Defect ID: 1391081

TMM crash when running HTTP/3 and persist record

Last updated on July 28th, 2026

BugZero Risk Score6.8 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.8 Medium

BugZero Risk Score
6.8 Medium