CVE-2018-19827

libsass: Use-after-free in SharedPtr class resulting in a denial of service

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Severity

Important

Red Hat Product Security

8.8

CVSS 3.0

Review impact separately from score.

Published · December 3, 2018

Updated · June 27, 2026

Description

A type confusion flaw was discovered in libsass in Expand::operator() in expand.cpp. An attacker could use this flaw to make an application that uses libsass crash or execute arbitrary code.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')