Use After Free in Sass-Lang Libsass

CVE-2018-19827

In LibSass 3.5.5, a use-after-free vulnerability exists in the SharedPtr class in SharedPtr.cpp (or SharedPtr.hpp) that may cause a denial of service (application crash) or possibly have unspecified other impact.

Vulnerability class: Use-After-Free

EPSS: 0.020 (79.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-19827?
CVE-2018-19827 is a high-severity vulnerability in Sass-Lang Libsass, classified under Use After Free. CVSS score: 8.8/10. Published 2018-12-03.
How severe is CVE-2018-19827?
High severity. CVSS v3 base score is 8.8 out of 10.