CVE-2018-20821

MEDIUM

libsass < 3.5.5 - Denial of Service via Uncontrolled Recursion in Parser

Title source: llm
STIX 2.1

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).

References (4)

Core 4
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/sass/libsass/issues/2658

Scores

CVSS v3 6.5
EPSS 0.0222
EPSS Percentile 80.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-674
Status published
Products (1)
sass-lang/libsass < 3.5.5
Published Apr 23, 2019
Tracked Since Feb 18, 2026