| Name | CVE-2018-19797 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libsass (PTS) | stretch | 3.4.3-1 | vulnerable |
| buster | 3.5.5-4 | vulnerable |
| bullseye | 3.6.4+20201122-1 | fixed |
| bookworm | 3.6.5+20220909-1 | fixed |
| sid, trixie | 3.6.5+20231221-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libsass | source | (unstable) | 3.6.3-1 | | | |
Notes
[buster] - libsass <no-dsa> (Minor issue)
[stretch] - libsass <no-dsa> (Minor issue)
https://github.com/sass/libsass/issues/2779
https://github.com/sass/libsass/commit/e94b5f91ec372a84be1f9c0da32cb6e0af0b99fe