CVE-2021-23424

HIGH

ansi-html < 0.0.8 - Denial of Service via Malicious String Input

Title source: llm
STIX 2.1

Description

This affects all versions of package ansi-html. If an attacker provides a malicious string, it will get stuck processing the input for an extremely long time.

References (3)

Core 3
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/Tjatse/ansi-html/issues/19
Exploit, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JS-ANSIHTML-1296849
Exploit, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1567198

Scores

CVSS v3 7.5
EPSS 0.0198
EPSS Percentile 78.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (2)
ansi-html_project/ansi-html < 0.0.8
npm/ansi-html 0 - 0.0.8npm
Published Aug 18, 2021
Tracked Since Feb 18, 2026