CVE-2023-47120

High

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 3.1.0,beta6 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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductDiscourse
PublishedNov 10, 2023
First seenNov 10, 2023

How to fix

Update
  • discourse discourse3.1.3 or later

Affected products

ProductAffected versionsFixed in
discourse discourse3.1.0 ≤ v < 3.1.3, 3.1.0, 3.2.03.1.3

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