Main Vulnerability Database Vulnerabilities #VU30655

Out-of-bounds read in LibSass - CVE-2019-18798

Published: November 6, 2019 / Updated: July 17, 2020

Vulnerability identifier: #VU30655

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2019-18798

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Sass

Affected software:
LibSass

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

LibSass before 3.6.3 allows a heap-based buffer over-read in Sass::weaveParents in ast_sel_weave.cpp.

Install update from vendor's website.