Advisories for Gem/Actionmailer package

2024

Possible ReDoS vulnerability in block_format in Action Mailer

There is a possible ReDoS vulnerability in the block_format helper in Action Mailer. This vulnerability has been assigned the CVE identifier CVE-2024-47889. Impact Carefully crafted text can cause the block_format helper to take an unexpected amount of time, possibly resulting in a DoS vulnerability. All users running an affected release should either upgrade or apply the relevant patch immediately. Ruby 3.2 has mitigations for this problem, so Rails applications using …

2013

Possible DoS Vulnerability

A carefully crafted email address in conjunction with the Action Mailer logger format string could take advantage of a bug in Ruby's sprintf implementation and possibly lead to a denial of service attack. Impacted Ruby code will look something like this: "some string #{user_input}" % some_number