Last Modified: Feb 03, 2026
Affected Product(s):
BIG-IP (all modules)
Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 21.0.0, 21.0.0.1
Opened: Jan 22, 2026 Severity: 3-Major
Only 8 bytes of original payload is included in ICMP error message sent from BIG-IP. RFC 1812 section 4.3.2.3 indicates systems should include as much as possible, up to 576 bytes total.
With only 8 bytes included in the ICMP error message, provides limited context for debugging. The TCP and UDP headers are truncated mid-header.
ICMP error message sent from BIG-IP.
None.
None