CVE-2022-43357

NameCVE-2022-43357
DescriptionStack 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1051893

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsass (PTS)buster3.5.5-4vulnerable
bullseye3.6.4+20201122-1vulnerable
bookworm3.6.5+20220909-1vulnerable
trixie, sid3.6.5+20220909-3vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsasssource(unstable)(unfixed)1051893

Notes

[bookworm] - libsass <no-dsa> (Minor issue)
[bullseye] - libsass <no-dsa> (Minor issue)
[buster] - libsass <no-dsa> (Minor issue)
https://github.com/sass/libsass/issues/3177

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