CVSS 3.1 Score 6.5 of 10 (medium)


Published Sep 15, 2023
Updated: Sep 21, 2023
CWE ID 770


CVE-2023-41043 is a medium-severity vulnerability affecting Discourse, an open-source discussion platform. The vulnerability exists in versions prior to 3.1.1 of the 'stable' branch and version 3.2.0.beta1 of the 'beta' and 'tests-passed' branches. It allows a malicious admin to create large icon sprites that can be cached in server processes, potentially leading to server process termination and downtime. The issue has been patched in the mentioned versions. This vulnerability is only a concern for multisite installations, and no action is required if the admins are trusted.


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