BugZero | F5 BugID 748177 - Multiple wildcards not matched to most specific Wi...

F5 - Defect ID: 748177

Multiple wildcards not matched to most specific WideIP when two wildcard WideIPs differ on a '?' and a non-wildcard character

F5 - Defect ID: 748177

Multiple wildcards not matched to most specific WideIP when two wildcard WideIPs differ on a '?' and a non-wildcard character

Last updated on July 18th, 2026

BugZero Risk Score
5.9 Medium

Overall: 5.9

Severity: 6.4

Community: 4.2

Lifecycle: 7.0

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Bug Details

Priority: 4-Minor
Status: Verified
Impact Category: Global Traffic Manager (DNS)

Description

Symptoms

Multiple wildcards not matched to the most specific WideIP.

Impact

DNS request gets wrong answer.

Conditions

Two wildcard WideIPs differ on a '?' and a non-wildcard character.

Workaround

There is no workaround at this time.

Fix Information

Multiple wildcards are now matched to the most specific WideIP when two wildcard WideIPs differ on a '?' and a non-wildcard character.

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5

Fixed versions: 15.0.0, 14.1.0.6, 13.1.1.5, 12.1.4.1

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 15.0.0, 14.1.0.6, 13.1.1.5, 12.1.4.1

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F5 - Defect ID: 748177

Multiple wildcards not matched to most specific WideIP when two wildcard WideIPs differ on a '?' and a non-wildcard character

F5 - Defect ID: 748177

Multiple wildcards not matched to most specific WideIP when two wildcard WideIPs differ on a '?' and a non-wildcard character

Last updated on July 18th, 2026

BugZero Risk Score5.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 748177

Multiple wildcards not matched to most specific WideIP when two wildcard WideIPs differ on a '?' and a non-wildcard character

F5 - Defect ID: 748177

Multiple wildcards not matched to most specific WideIP when two wildcard WideIPs differ on a '?' and a non-wildcard character

Last updated on July 18th, 2026

BugZero Risk Score5.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
5.9 Medium

BugZero Risk Score
5.9 Medium