Medium severity6.5NVD Advisory· Published Dec 4, 2018· Updated Jun 17, 2026

CVE-2018-19838

Description

In LibSass prior to 3.5.5, functions inside ast.cpp for IMPLEMENT_AST_OPERATORS expansion allow attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, as demonstrated by recursive calls involving clone(), cloneChildren(), and copy().

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Sass Lang/Libsass
cpe:2.3:a:sass-lang:libsass:*:*:*:*:*:*:*:*
Range: <3.5.5
Libsass/Libsassllm-fuzzy
Range: <3.5.5
osv-coords4 versions
pkg:rpm/opensuse/libsass&distro=openSUSE%20Leap%2015.0 pkg:rpm/opensuse/libsass&distro=openSUSE%20Leap%2015.1 pkg:rpm/suse/libsass&distro=SUSE%20Package%20Hub%2015 pkg: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

github.com/sass/libsass/issues/2660nvdExploitThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlnvd
lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlnvd
lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlnvd

News mentions

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cvss	0.423
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000