Vulnerability 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).
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sass-Lang | Libsass | <= 3.5.5 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlBroken Link
- https://github.com/sass/libsass/issues/2658ExploitPatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlBroken Link
- https://github.com/sass/libsass/issues/2658ExploitPatchThird Party Advisory
FAQ
What is CVE-2018-20821?
CVE-2018-20821 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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).
How severe is CVE-2018-20821?
CVE-2018-20821 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20821?
Check the references section above for vendor advisories and patch information. Affected products include: Sass-Lang Libsass.