Last Modified: Jan 07, 2026
Affected Product(s):
BIG-IP LTM
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, 11.5.2, 11.5.2 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5
Fixed In:
12.0.0, 11.6.0 HF6, 11.5.3
Opened: Jan 10, 2014 Severity: 3-Major Related Article:
K04311130
Due to a mistaken internal object-size conversion, the statistical data used by the IP::stats iRule command reports a negative number when the data exceeds 2**31.
iRules cannot rely on the validity of the IP::stats counters when more than 2 gigabytes have been transferred.
Transferring more than 2 gigabytes or 2 billion packets on a connection that then uses IP::stats commands in an iRule will show a negative number.
Upgrade to a fixed version.
iRules now uses a 64-bit object