Bug ID 1410989: DNSX returns a malformed UDP DNS response when the answer count is nonzero but there is no answer section.

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP DNS, GTM, LTM(all modules)

Known Affected Versions:
16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3

Opened: Dec 06, 2023

Severity: 3-Major

Symptoms

The BIG-IP system returns a malformed UDP DNS response.

Impact

Malformed UDP DNS response.

Conditions

When provided buf_size is able to fit the answer section but not able to fit authority and additional sections.

Workaround

Use TCP DNS query.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips