CVE-2022-43357

HIGH

libsass 3.6.5-8-g210218 and sassc 3.6.2 - Stack Overflow in CompoundSelector::has_real_parent_ref

Title source: llm
STIX 2.1

Description

Stack overflow vulnerability in ast_selectors.cpp in function Sass::CompoundSelector::has_real_parent_ref in libsass:3.6.5-8-g210218, which can be exploited by attackers to causea denial of service (DoS). Also affects the command line driver for libsass, sassc 3.6.2.

References (3)

Core 3
Core References
Exploit, Permissions Required, Third Party Advisory
https://drive.google.com/file/d/1aC5q3czen0atI91fuBIoCBFkS30_OSWX/
Exploit, Issue Tracking, Vendor Advisory
https://github.com/sass/libsass/issues/3177

Scores

CVSS v3 7.5
EPSS 0.0125
EPSS Percentile 65.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (2)
sass-lang/libsass 3.6.5-8-g210218
sass-lang/sassc 3.6.2
Published Aug 22, 2023
Tracked Since Feb 18, 2026