CVE-2018-20822 — Uncontrolled Recursion in Libsass

CWE-674 — Uncontrolled Recursion8 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.5%
top 34.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LibsassDebian LibsassSass-lang Libsass
Timeline
PublishedApr 23
Latest updateMay 24

Description

LibSass 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).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/libsass< libsass 3.6.3-1 (bookworm)
▶Debianlibsass/libsass< 3.6.3-1+3

🔴Vulnerability Details

2
GHSA
GHSA-hgv9-5rhc-jpgp: LibSass 3↗2022-05-24
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OSV
CVE-2018-20822: LibSass 3↗2019-04-23
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📋Vendor Advisories

2
Red Hat
libsass: DoS in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp↗2018-06-03
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Debian
CVE-2018-20822: libsass - LibSass 3.5.4 allows attackers to cause a denial-of-service (uncontrolled recurs...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-20821 CVE-2018-20822 libsass: various flaws [epel-7]↗2019-05-03
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Bugzilla
CVE-2018-20822 libsass: DoS in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp↗2019-05-03
▶
Bugzilla
CVE-2018-20821 CVE-2018-20822 libsass: various flaws [fedora-all]↗2019-05-03
▶