Bug ID 927569: HTTP/3 rejects subsequent partial SETTINGS frames

Last Modified: Apr 17, 2024

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 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, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2

Fixed In:
16.1.0

Opened: Jul 15, 2020

Severity: 3-Major

Symptoms

HTTP/3 aborts the connection upon receipt of a 'second' SETTINGS frame.

Impact

Connection fails to complete.

Conditions

HTTP/3 first receives an incomplete SETTINGS frame, followed by more SETTINGS frame bytes.

Workaround

None.

Fix Information

HTTP/3 now gracefully handles receiving an incomplete SETTINGS frame.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips