CVE-2018-20821

EUVD-2018-13363
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
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
Affected Products (NVD)
VendorProductVersion
sass-langlibsass
𝑥
≤ 3.5.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libsass
bookworm
3.6.5+20220909-1
fixed
bullseye
3.6.4+20201122-1
fixed
buster
no-dsa
sid
3.6.5+20231221-3
fixed
stretch
not-affected
trixie
3.6.5+20231221-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libsass
bionic
not-affected
cosmic
ignored
disco
ignored
eoan
ignored
focal
needed
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needed
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needed
trusty
dne
xenial
not-affected
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