CVE-2023-47120 Information

Description

Discourse is an open source platform for community discussion. In versions 3.1.0 through 3.1.2 of the stable branch and versions 3.1.0beta6 through 3.2.0.beta2 of the beta and tests-passed branches Redis memory can be depleted by crafting a site with an abnormally long favicon URL and drafting multiple posts which Onebox it. The issue is patched in version 3.1.3 of the stable branch and version 3.2.0.beta3 of the beta and tests-passed branches. There are no known workarounds.

Reference

https://github.com/discourse/discourse/security/advisories/GHSA-77cw-xhj8-hfp3 https://github.com/discourse/discourse/commit/95a82d608d6377faf68a0e2c5d9640b043557852 https://github.com/discourse/discourse/commit/e910dd09140cb4abc3a563b95af4a137ca7fa0ce