BugZero | F5 BugID 613912 - SSID filter may cause excessive buffering and high...

F5 - Defect ID: 613912

SSID filter may cause excessive buffering and high CPU

F5 - Defect ID: 613912

SSID filter may cause excessive buffering and high CPU

Last updated on July 18th, 2026

BugZero Risk Score
7.0 High

Overall: 7.0

Severity: 7.3

Community: 4.2

Lifecycle: 10.0

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Bug Details

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

Description

Symptoms

CPU usage increases with excessive buffering of significant amount of data.

Impact

Can slow down the system.

Conditions

High CPU with huge amount of data buffered up, and SSL persistence is in use.

Workaround

None.

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1, 11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: No known fixed versions

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F5 Integration

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F5 - Defect ID: 613912

SSID filter may cause excessive buffering and high CPU

F5 - Defect ID: 613912

SSID filter may cause excessive buffering and high CPU

Last updated on July 18th, 2026

BugZero Risk Score7.0 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 613912

SSID filter may cause excessive buffering and high CPU

F5 - Defect ID: 613912

SSID filter may cause excessive buffering and high CPU

Last updated on July 18th, 2026

BugZero Risk Score7.0 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
7.0 High

BugZero Risk Score
7.0 High