What is CVE-2023-25167?

CVE-2023-25167 is a medium-severity vulnerability in Discourse, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2023-02-08.

How severe is CVE-2023-25167?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Discourse

CVE-2023-25167

Discourse is an open source discussion platform. In affected versions a malicious user can cause a regular expression denial of service using a carefully crafted git URL. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. There are no known workarounds for this issue.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.006 (43.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Discourse — versions >= 3.1.0.beta, < 3.1.0.beta2, 3.1.0, < 3.0.1

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-25167?: CVE-2023-25167 is a medium-severity vulnerability in Discourse, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2023-02-08.
How severe is CVE-2023-25167?: Medium severity. CVSS v3 base score is 6.5 out of 10.