CVE-2018-19797 — Vulnetix

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CVE-2018-19797 PUBLISHED

In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.

EPSS 0.25% · 48.1th percentile

Risk Scores

EPSS Score

0.25%

48.1th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	libsass	0, 3.2.5-1, 3.2.5-2
Ubuntu:Pro:18.04:LTS	libsass	0, 3.4.3-1, 3.4.6-1

Timeline

Dec 3, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2018-19797 third-party-advisory
https://ubuntu.com/security/notices/USN-4837-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2018-19797 third-party-advisory

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