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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.020 (80.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Sass-Lang Libsass — versions 3.5.5
Weakness classification (CWE)
References
- github.com/sass/libsass/issues/2782 (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html (vendor-advisory)
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.