CVE-2018-20822

NameCVE-2018-20822
DescriptionLibSass 3.5.4 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp).
SourceCVE (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 PackageReleaseVersionStatus
libsass (PTS)stretch3.4.3-1vulnerable
buster3.5.5-4vulnerable
bullseye3.6.4+20201122-1fixed
bookworm3.6.5+20220909-1fixed
sid, trixie3.6.5+20231221-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsasssource(unstable)3.6.3-1low

Notes

[buster] - libsass <no-dsa> (Minor issue)
[stretch] - libsass <no-dsa> (Minor issue)
https://github.com/sass/libsass/issues/2671
Possibly introduced after https://github.com/sass/libsass/commit/25c9b4952f5838b615da996035453967d0420f57 (3.4.7)
Fixed in 3.6.1, but 3.6.3 first to land in unstable

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