PT-2019-10260 · Sass+2 · Libsass+2

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CVE-2018-20821

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Published

2019-04-23

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Updated

2023-02-28

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions: LibSass versions 3.5.5 and earlier
Description: The parsing component in LibSass allows attackers to cause a denial-of-service due to uncontrolled recursion in Sass::Parser::parse css variable value in parser.cpp.
Recommendations: For LibSass versions 3.5.5 and earlier, consider updating to a version later than 3.5.5 to resolve the issue. As a temporary workaround, consider restricting the input to the parse css variable value function to minimize the risk of uncontrolled recursion.

Exploit

Fix

DoS

Uncontrolled Recursion

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Weakness Enumeration

Related Identifiers

ALT-PU-2020-1653
CVE-2018-20821
MGASA-2020-0049
OPENSUSE-SU-2019:1791-1
OPENSUSE-SU-2019:1800-1
OPENSUSE-SU-2019:1883-1
OPENSUSE-SU-2019_1791-1
OPENSUSE-SU-2024:10988-1

Affected Products

Alt Linux
Libsass
Suse