Bug ID 526610: [Portal Access] javascript: wrong parsing of try/catch within bracketless 'with' block

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP APM(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, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Fixed In:
12.1.0

Opened: Jun 04, 2015

Severity: 3-Major

Symptoms

Rewrite Plugin crash

Impact

Web-Application misfunction.

Conditions

Very specific javascript for patching: with(x) try { /* nothing */ } catch (c) { f(x); }

Workaround

There is no workaround at this time.

Fix Information

JavaScript parsing is fixed to avoid this issue.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips