Medium severity6.5OSV Advisory· Published Apr 23, 2019· Updated Jun 17, 2026
CVE-2018-20821
CVE-2018-20821
Description
The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Parser::parse_css_variable_value in parser.cpp).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- osv-coords4 versionspkg:rpm/opensuse/libsass&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/libsass&distro=openSUSE%20Leap%2015.1pkg:rpm/suse/libsass&distro=SUSE%20Package%20Hub%2015pkg:rpm/suse/libsass&distro=SUSE%20Package%20Hub%2015%20SP1
< 3.6.1-lp151.3.3.1+ 3 more
- (no CPE)range: < 3.6.1-lp151.3.3.1
- (no CPE)range: < 3.6.1-lp151.3.3.1
- (no CPE)range: < 3.6.1-bp150.3.3.1
- (no CPE)range: < 3.6.1-bp151.4.3.1
Patches
Vulnerability mechanics
References
4- github.com/sass/libsass/issues/2658nvdExploitPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlnvdBroken Link
- lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlnvdBroken Link
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlnvdBroken Link
News mentions
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