CVE-2022-23548

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 2.9.0.beta16 on the `beta` and `tests-passed` branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
GitHub_MCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
VendorProductVersion
discoursediscourse
𝑥
< 2.8.14
discoursediscourse
2.9.0:beta1
discoursediscourse
2.9.0:beta10
discoursediscourse
2.9.0:beta11
discoursediscourse
2.9.0:beta12
discoursediscourse
2.9.0:beta13
discoursediscourse
2.9.0:beta14
discoursediscourse
2.9.0:beta2
discoursediscourse
2.9.0:beta3
discoursediscourse
2.9.0:beta4
discoursediscourse
2.9.0:beta5
discoursediscourse
2.9.0:beta6
discoursediscourse
2.9.0:beta7
discoursediscourse
2.9.0:beta8
discoursediscourse
3.0.0:beta15
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/discourse/discourse/pull/19737
https://github.com/discourse/discourse/security/advisories/GHSA-7rw2-f4x7-7pxf
https://github.com/discourse/discourse/pull/19737
https://github.com/discourse/discourse/security/advisories/GHSA-7rw2-f4x7-7pxf