CVE-2018-18385

CVE-2018-18385 is a denial-of-service vulnerability affecting Asciidoctor versions prior to 1.5.8. It stems from an infinite loop in the Parser.next_block function, caused by a mismatch in regular expressions that prevents the reader from exhausting all lines. This vulnerability has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low attack complexity to cause a complete denial of service. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.