CVE-2018-20821

Public Exploit

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).

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.08% Top 25%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/sass/libsass/issues/2658 exploit third party advisory patch
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html vendor advisory broken link
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html vendor advisory broken link
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html vendor advisory broken link

Frequently Asked Questions

What is the severity of CVE-2018-20821?
CVE-2018-20821 has been scored as a medium severity vulnerability.
How to fix CVE-2018-20821?
To fix CVE-2018-20821, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20821 being actively exploited in the wild?
It is possible that CVE-2018-20821 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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