VulnerabilityModified
CVE-2022-23514
This may lead to a denial of service through CPU resource consumption.
HIGH 7.5EPSS 1.69%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.69% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1333
- Affected
- loofah project/loofah
- Source
- security-advisories@github.com
References
- https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhhThird Party Advisory
- https://hackerone.com/reports/1684163Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html
- https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhhThird Party Advisory
- https://hackerone.com/reports/1684163Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html
- https://lists.debian.org/debian-lts-announce/2024/09/msg00044.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.