| Name | CVE-2022-43357 |
| Description | Stack overflow vulnerability in ast_selectors.cpp in function Sass::CompoundSelector::has_real_parent_ref in libsass:3.6.5-8-g210218, which can be exploited by attackers to causea denial of service (DoS). Also affects the command line driver for libsass, sassc 3.6.2. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1051895 |
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 | vulnerable |
| bookworm | 3.6.5+20220909-1 | vulnerable |
| 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 | experimental | 3.6.5+20231221-1 | | | |
| libsass | source | stretch | (unfixed) | end-of-life | | |
| libsass | source | (unstable) | 3.6.5+20231221-2 | | | 1051895 |
Notes
[bookworm] - libsass <ignored> (Minor issue)
[bullseye] - libsass <no-dsa> (Minor issue)
[buster] - libsass <no-dsa> (Minor issue)
https://github.com/sass/libsass/issues/3177
https://github.com/sass/libsass/pull/3184
https://github.com/sass/libsass/commit/5bb0ea0c4b2ebebe542933f788ffacba459a717a (3.6.6)