Open-Xchange: A specifically designed sieve script can cause a DoS in lib-sieve during sieve script compilation via NULL pointer dereference

Reproduction realcrash.sieve is the attached script 1. Build dovecot and pigeonhole 2. Run sievec realcrash.sieve Requirements include and variables extensions should be required. One of the global commands global/export/import without any arguments should be followed by the same command with val...

Fedora 23 : dovecot-2.2.19-1.fc23 (2015-46afff8d90)

dovecot updated to 2.2.19 mdbox: Rebuilding could have caused message's reference count to overflow the 16bit number in some situations, causing problems when trying to expunge the duplicates. Various search fixes fts, solr, tika, lib-charset, indexer Various virtual plugin fixes Various fixes...