An issue was discovered in eZ Platform Ibexa Kernel before 1.3.19. It allows determining account existence via a timing attack.
https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-xfqg-p48g-hh94
https://github.com/ezsystems/ezplatform-kernel/security/advisories/GHSA-342c-vcff-2ff2