CVE-2023-31606
CVSS v3
7.5
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem v4.0.0. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.
Technical details
- Published
- 2023-06-06
Frequently asked questions
What is CVE-2023-31606?
A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem v4.0.0. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.
Is CVE-2023-31606 actively exploited?
Active exploitation of CVE-2023-31606 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-31606?
CVE-2023-31606 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2023-31606 affecting your environment?
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