CVE-2023-47120

HIGH

Discourse < 3.1.3 - Resource Allocation Without Limits

Title source: rule
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v3 7.5
EPSS 0.0030
EPSS Percentile 53.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (3)
discourse/discourse 3.1.0 beta6 (3 CPE variants)
discourse/discourse 3.2.0 beta1 (2 CPE variants)
discourse/discourse 3.1.0 - 3.1.3
Published Nov 10, 2023
Tracked Since Feb 18, 2026