CVE-2022-23517CWE-1333

Inefficient Regular Expression Complexity in rails-html-sanitizer

High · published December 14, 2022

CVSS v3.1
7.5
EPSS
2%
Percentile
75.3
In the wild
Unconfirmed
What it is

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Certain configurations of rails-html-sanitizer < 1.4.4 use 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 has been patched in version 1.4.4.

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
0.01578 · 75.3th percentile
Weakness
CWE-1333 · Inefficient Regular Expression Complexity
Published
2022-12-14T16:10Z
EPSS history
Timeline
  • 14 DEC 16:10Z
    Inefficient Regular Expression Complexity in rails-html-sanitizer
    cvelistv5