REP-56048 When Generating Large PDF Using Font Subsetting And UTF8 Character Set

Generating a PDF file from a large report, causes engine crash:

REP-56048: Engine rwEng-0 crashed job id xxThe issue occurs in the following environment:

1.Server Platform : Microsoft Windows Server 2003 
2.Oracle Reports 10.1.2.3 
3.PDF font subsetting is used 
4.NLS_LANG=_.UTF8 
Checking the option "Install files for complex script and right-to-left language" in Regional and Language Options > Languages does not help

Trying different values for jvmOptions does not help:

-Xmx512M -Xms128M -Xss512k 
-Xmx1024M -Xms128M -Xss512k 
......

When PDF subsetting is commented out, the issue does not reproduce. 
When using different NLS_LANG rather UTF8, the issue does not reproduce.

Cause
Bug 7133555 - REPORTS SERVER(ENGINE) HANGS WHEN RUNNING PDF REPORT WITH MANY PAGES ON WIN2003

Solution
Download and Apply one-off Patch 7133555 on top of reports 10.1.2.3


Source : Oracle Metalink: Doc ID 888222.1