CVE-2022-23514CWE-1333

Inefficient Regular Expression Complexity in Loofah

High · published December 14, 2022

CVSS v3.1
7.5
EPSS
2%
Percentile
78.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01829 · 78.7th percentile
Weakness
CWE-1333 · Inefficient Regular Expression Complexity
Published
2022-12-14T13:19Z
EPSS history
Timeline
  • 14 DEC 13:19Z
    Inefficient Regular Expression Complexity in Loofah
    cvelistv5