MEDIUM
libsass: parsing component allows attackers to cause denial-of-service
Published Apr 23, 2019
6.5
MEDIUMCVSS 3.1
EPSS 2.22%
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).
Affected products
Remediation
Red Hat statement
This issue did not affect the versions of libsass as shipped with Red Hat Enterprise Linux 8 as the flaw was introduced in a newer version of the library.
Weaknesses (1)
References (8)
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html vendor-advisoryx_refsource_SUSEBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html vendor-advisoryx_refsource_SUSEBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html vendor-advisoryx_refsource_SUSEBroken Link
- https://access.redhat.com/security/cve/CVE-2018-20821 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1706044 Issue Tracking
- https://github.com/sass/libsass/issues/2658 x_refsource_MISCExploitPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-20821
- https://www.cve.org/CVERecord?id=CVE-2018-20821
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html | vendor-advisoryx_refsource_SUSEBroken Link | |
| http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html | vendor-advisoryx_refsource_SUSEBroken Link | |
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html | vendor-advisoryx_refsource_SUSEBroken Link | |
| https://access.redhat.com/security/cve/CVE-2018-20821 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1706044 | Issue Tracking | |
| https://github.com/sass/libsass/issues/2658 | x_refsource_MISCExploitPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-20821 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-20821 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 23, 2019
Updated Aug 5, 2024
Reserved Apr 23, 2019
Link CVE-2018-20821
CISA Vulnrichment
Updated n/a