CVE-2018-20190 — NULL Pointer Dereference in Libsass

CWE-476 — NULL Pointer Dereference8 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 48.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LibsassDebian LibsassSass-lang Libsass
Timeline
PublishedDec 17
Latest updateMay 14

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/libsass< libsass 3.5.5-4 (bookworm)
▶Debianlibsass/libsass< 3.5.5-4+3

🔴Vulnerability Details

2
GHSA
GHSA-f9vp-f9xq-w8wr: In LibSass 3↗2022-05-14
▶
OSV
CVE-2018-20190: In LibSass 3↗2018-12-17
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📋Vendor Advisories

2
Ubuntu
LibSass vulnerabilities↗2021-03-15
▶
Debian
CVE-2018-20190: libsass - In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operato...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-19797 CVE-2018-19826 CVE-2018-19827 CVE-2018-19837 CVE-2018-19838 CVE-2018-19839 CVE-2018-20190 libsass: various flaws [epel-7]↗2019-01-31
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Bugzilla
CVE-2018-19797 CVE-2018-19826 CVE-2018-19827 CVE-2018-19837 CVE-2018-19838 CVE-2018-19839 CVE-2018-20190 libsass: various flaws [fedora-all]↗2019-01-31
▶
Bugzilla
CVE-2018-20190 libsass: NULL pointer dereference in Sass::Eval::operator() function resulting in a denial of service↗2019-01-31
▶