CVE-2018-20821

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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
sass-langlibsass
𝑥
≤ 3.5.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libsass
bullseye
3.6.4+20201122-1
fixed
buster
no-dsa
stretch
not-affected
bookworm
3.6.5+20220909-1
fixed
sid
3.6.5+20231221-3
fixed
trixie
3.6.5+20231221-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libsass
noble
needed
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needed
impish
ignored
hirsute
ignored
groovy
ignored
focal
needed
eoan
ignored
disco
ignored
cosmic
ignored
bionic
not-affected
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
https://github.com/sass/libsass/issues/2658
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
https://github.com/sass/libsass/issues/2658