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CVE-2023-31606

Good to know:

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Date: June 6, 2023

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.

Language: RAGEL

Severity Score

Related Resources (8)

https://github.com/jgarber/redcloth/issues/73
https://github.com/jgarber/redcloth
https://security.gentoo.org/glsa/202401-14
https://security-tracker.debian.org/tracker/CVE-2023-31606
https://github.com/e23e/CVE-2023-31606#readme
https://nvd.nist.gov/vuln/detail/CVE-2023-31606
https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html
https://www.mend.io/vulnerability-database/CVE-2023-31606

Severity Score

Weakness Type (CWE)

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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