CVE-2023-47120
Discourse is an open source platform for community discussion.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.98% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- discourse/discourse
- Source
- security-advisories@github.com
References
- https://github.com/discourse/discourse/commit/95a82d608d6377faf68a0e2c5d9640b043557852Patch
- https://github.com/discourse/discourse/commit/e910dd09140cb4abc3a563b95af4a137ca7fa0cePatch
- https://github.com/discourse/discourse/security/advisories/GHSA-77cw-xhj8-hfp3Vendor Advisory
- https://github.com/discourse/discourse/commit/95a82d608d6377faf68a0e2c5d9640b043557852Patch
- https://github.com/discourse/discourse/commit/e910dd09140cb4abc3a563b95af4a137ca7fa0cePatch
- https://github.com/discourse/discourse/security/advisories/GHSA-77cw-xhj8-hfp3Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.