CVE-2018-20821
6.5
MEDIUM
CVSS 3.1
EPSS 0.72%
Description
The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Parser::parse_css_variable_value in parser.cpp).
How to fix CVE-2018-20821
To remediate CVE-2018-20821, upgrade the affected package to a fixed version below.
- Debian/libsass—upgrade to 3.6.3-1 or later
Is CVE-2018-20821 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.6.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |