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Vulnerability details: VCID-yx2v-zyh5-p7ak
Vulnerability ID VCID-yx2v-zyh5-p7ak
Aliases CVE-2019-18798
Summary LibSass before 3.6.3 allows a heap-based buffer over-read in Sass::weaveParents in ast_sel_weave.cpp.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-18798.json
epss 0.00433 https://api.first.org/data/v1/epss?cve=CVE-2019-18798
epss 0.00433 https://api.first.org/data/v1/epss?cve=CVE-2019-18798
epss 0.00433 https://api.first.org/data/v1/epss?cve=CVE-2019-18798
epss 0.00433 https://api.first.org/data/v1/epss?cve=CVE-2019-18798
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-18798.json
https://api.first.org/data/v1/epss?cve=CVE-2019-18798
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18798
1852074 https://bugzilla.redhat.com/show_bug.cgi?id=1852074
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-2019-18798.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 0.6317
EPSS Score 0.00433
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:27:24.996443+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.6.0