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Cisco Bug: CSCvu45087 - $Subject Variable in Bounce Profile Template May Cause Faults and Workqueue Lockups

Last Modified

Sep 16, 2020

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

13.0.0-392

Description (partial)

Symptom:
Application faults seen in mail logs:

Sat May 30 21:44:00 2020 Critical: An application fault occurred: ('python2.6_10_amd64_nothr/quopri.py decodestring|161', "<type 'exceptions.UnicodeEncodeError'>", "'ascii' codec can't encode character u'\\xfc' in position 2: ordinal not in range(128)", '[egg/omh.py queue_worker_thread|3815] [egg/omh.py process_item|4345] [egg/omh.py pass_spamcheck|6651] [egg/omh.py do_spam|6690] [egg/filters.py apply|7752] [egg/omh.py bounce_hard_all|8875] [egg/omh.py bounce_hard|8977] [egg/imh.py send_bounce|1229] [egg/body_scanner.py encode_message_body|3316] [egg/body_scanner.py _test_sub|3273] [egg/i18n_support.py decode_header|520] [egg/i18n_support.py _decode_header_helper|497] [python2.6_10_amd64_nothr/quopri.py decodestring|161]') MID: 2468

Sat May 30 22:34:39 2020 Critical: An application fault occurred: ('egg/omh.py queue_worker_thread|3889', "<type 'exceptions.TypeError'>", "'NoneType' object is unsubscriptable", '[_coro.pyx coro._coro._wrap1 (coro/_coro.c:8505)|757] [egg/omh.py queue_worker_thread|3889]')

The workqueue may become locked and no mail will be processed.

Conditions:
1) Email Security Appliance is configured to bounce certain emails
2) Custom bounce notification template in use and includes $Subject variable
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