CVE-2018-20190

In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp may cause a Denial of Service (application crash) via a crafted sass input file.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
VendorProductVersion
sass-langlibsass
3.5.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libsass
bullseye
3.6.4+20201122-1
fixed
stretch
no-dsa
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
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
ignored
cosmic
ignored
bionic
Fixed 3.4.8-1ubuntu0.1~esm1
released
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
http://www.securityfocus.com/bid/106232
https://github.com/sass/libsass/issues/2786
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
http://www.securityfocus.com/bid/106232
https://github.com/sass/libsass/issues/2786