Is CVE-2023-31606 in the CISA KEV catalog?

No. CVE-2023-31606 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-31606?

CVE-2023-31606 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-31606?

CVE-2023-31606 has an EPSS score of 1.51% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31606?

Upgrade ruby-redcloth on debian 13 to 4.3.3-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-31606

HIGHEPSS 71th pctl

7.5

CVSS v3

NVD

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.

CWE-1333

How to fix

Remediation Available

ruby-redclothDebian

Fixed in:4.3.3-1CVE-2023-31606

ruby-redclothUbuntu

Fixed in:4.2.9-5ubuntu0.1~esm1USN-6358-1

Fixed in:4.3.2-3ubuntu0.1~esm1USN-6358-1

Fixed in:4.3.2-3+deb10u1build0.20.04.1USN-6358-1

Fixed in:4.3.2-4ubuntu0.22.04.1USN-6358-1

Fixed in:4.3.2-4ubuntu0.23.04.1USN-6358-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.51%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Exploit2

Product1

github.com

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.