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Regular Expression Denial of Service (ReDoS) Affecting html-parse-stringify package, versions <2.0.1

0.0
medium

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.3% (70th percentile)
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NVD
5.3 medium

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  • Snyk ID SNYK-JS-HTMLPARSESTRINGIFY-1079306
  • published 1 Mar 2021
  • disclosed 1 Mar 2021
  • credit Yeting Li
Report a new vulnerability Found a mistake?

Introduced: 1 Mar 2021

CVE-2021-23346 Open this link in a new tab
CWE-400 Open this link in a new tab
First added by Snyk

How to fix?

Upgrade html-parse-stringify to version 2.0.1 or higher.

Overview

html-parse-stringify is a https://github.com/henrikjoreteg/html-parse-stringify

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS). Sending certain input could cause one of the regular expressions that is used for parsing to backtrack, freezing the process.