Description of problem: Last update exim in EPEL have bug https://bugs.exim.org/show_bug.cgi?id=2845, thats preventing to start exim at all, going to SIGSEV Version-Release number of selected component (if applicable): Version : 4.95 Release : 1.el7 How reproducible: Each install, cause many ciphers have underscores Steps to Reproduce: 1. update to 4.95-1 2. edit /etc/exim/exim.conf 2. add tls_require_ciphers = TLS_AES_256_GCM_SHA384 to main section 3. restart, got in paniclog 2022-07-09 12:26:41 SIGSEGV (maybe attempt to write to immutable memory) and crash Actual results: exim crashed until tls_require_ciphers commented out or wiped ciphers with understrokes Expected results: exim running fine Additional info: cat /etc/redhat-release CentOS Linux release 7.9.2009 (Core) seems to be EPEL8 have same problem