CVE-2022-23514
ruby-loofah - security update
7.5
HIGH
CVSS 3.1
EPSS 0.27%
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.
How to fix CVE-2022-23514
To remediate CVE-2022-23514, upgrade the affected package to a fixed version below.
- —upgrade to 2.7.0+dfsg-1+deb11u1 or later
- —upgrade to 2.2.3-1+deb10u2 or later
- —upgrade to 2.7.0+dfsg-1+deb11u1 or later
- —upgrade to 2.19.1 or later
Is CVE-2022-23514 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 2.7.0+dfsg-1+deb11u1
- from 0, < 2.2.3-1+deb10u2
- from 0, < 2.7.0+dfsg-1+deb11u1
- from 0, < 2.19.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |