CVE-2023-31606

Publication date 6 June 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
ruby-redcloth 23.04 lunar
Fixed 4.3.2-4ubuntu0.23.04.1
22.10 kinetic Ignored end of life, was needed
22.04 LTS jammy
Fixed 4.3.2-4ubuntu0.22.04.1
20.04 LTS focal
Fixed 4.3.2-3+deb10u1build0.20.04.1
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty Ignored end of standard support

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Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H