Bug ID 481647: OSPF daemon asserts and generates core

Last Modified: Aug 19, 2026

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

Known 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, 11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Fixed In:
12.0.0, 11.5.2

Opened: Sep 29, 2014

Severity: 3-Major

Related Article: K16682

Symptoms

The OSPF daemon might assert if receiving a Link Status (LS) Update header with a length greater than 255 bytes.

Impact

OSPF daemon asserts and generates a core, which might cause a service outage.

Conditions

This occurs when the LSA header length is greater than 255 bytes in length.

Workaround

None.

Fix Information

OSPF daemon no longer asserts when receiving a Link Status (LS) Update Packet with an LSA header whose length is greater than 255 bytes.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips