CVE-2023-48297 (published 2024-01-12T20:35:02.394Z)
Discourse is a platform for community discussion. The message serializer uses the full list of expanded chat mentions (@all and @here) which can lead to a very long array of users. This issue was patched in versions 3.1.4 and beta 3.2.0.beta5.

Affected products: Vendor: discourse
Product: discourse
Versions: < 3.1.4, >= 3.2.0beta1, < 3.2.0.beta4