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Vulnerability details: VCID-db5w-969a-rfgp
Vulnerability ID VCID-db5w-969a-rfgp
Aliases CVE-2019-18799
Summary LibSass before 3.6.3 allows a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parser_selectors.cpp.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-18799.json
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-18799
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-18799
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-18799
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-18799.json
https://api.first.org/data/v1/epss?cve=CVE-2019-18799
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18799
1852077 https://bugzilla.redhat.com/show_bug.cgi?id=1852077
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-18799.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.63287
EPSS Score 0.00434
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:27:25.011161+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.6.0