CVE-2022-23514

HIGH

Loofah < 2.19.1 - Denial of Service via Inefficient SVG Attribute Regular Expression

Title source: llm

Description

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah < 2.19.1 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue is patched in version 2.19.1.

References (4)

Core 4

Core References

Third Party Advisory x_refsource_confirm

https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh

Permissions Required, Third Party Advisory x_refsource_misc

https://hackerone.com/reports/1684163

Mailing List

https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html

Mailing List

https://lists.debian.org/debian-lts-announce/2024/09/msg00044.html

Scores

CVSS v3 7.5

EPSS 0.0169

EPSS Percentile 74.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-1333

Status published

Products (2)

loofah_project/loofah < 2.19.1

rubygems/loofah 0 - 2.19.1RubyGems

Published Dec 14, 2022

Tracked Since Feb 18, 2026