CVEvulnerability
CVE-2022-23514
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-12-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-1333
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.
Affected configurations
• loofah project loofah (< 2.19.1)
Related
Weakness · CWE (1)
- CWE-1333 Inefficient Regular Expression Complexity weakness
References
- https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh Third Party Advisory
- https://hackerone.com/reports/1684163 Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html lists.debian.org
- https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh Third Party Advisory
- https://hackerone.com/reports/1684163 Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2024/09/msg00044.html lists.debian.org