Last Modified: Jan 07, 2026
Affected Product(s):
BIG-IP APM
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
Fixed In:
12.0.0, 11.6.0 HF4, 11.5.3
Opened: Dec 03, 2014 Severity: 2-Critical Related Article:
K16857
PAC file download mechanism might encounter a race condition if /etc/hosts is patched with the static entry of the host that contains PAC file.
Proxy PAC file fails to download.
The /etc/hosts is patched with the static entry of the host that contains PAC file.
Add delay in proxy PAC file download to avoid race condition.
PAC file download mechanism now avoids a race condition if /etc/hosts is patched with the static entry of the host that contains PAC file.