Best Practical Request Tracker (RT) 4.2 before 4.2.17, 4.4 before 4.4.5, and 5.0 before 5.0.2 allows sensitive information disclosure via a timing attack against lib/RT/REST2/Middleware/Auth.pm.
https://lists.debian.org/debian-lts-announce/2022/06/msg00019.html
https://github.com/bestpractical/rt/commit/70749bb66cb13dd70bd53340c371038a5f3ca57c