Regular Expression Denial Of Service (ReDoS)

sisimai is vulnerable to Regular Expression Denial Of Service ReDoS. The vulnerability exists in the toplain function in string.rb due to inefficient regular expression complexity which leads to an application crash...

CVE-2022-4891 Sisimai string.rb to_plain redos

A vulnerability has been found in Sisimai up to 4.25.14p11 and classified as problematic. This vulnerability affects the function toplain of the file lib/sisimai/string.rb. The manipulation leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be...