CVE-2023-47120CWE-770

Discourse DoS through Onebox favicon URL

High · published November 10, 2023

CVSS v3.1
7.5
EPSS
1%
Percentile
61.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00982 · 61.9th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2023-11-10T15:09Z
EPSS history
Timeline
  • 10 NOV 15:09Z
    Discourse DoS through Onebox favicon URL
    cvelistv5