What’s Vulnerable › Vulnerabilities

CVE-2022-43357

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-22 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Sass-Lang Libsass: 3.6.5-8-g210218
• Sass-Lang Sassc: 3.6.2

References

• https://drive.google.com/file/d/1aC5q3czen0atI91fuBIoCBFkS30_OSWX/
• https://github.com/sass/libsass
• https://github.com/sass/libsass/issues/3177
• https://drive.google.com/file/d/1aC5q3czen0atI91fuBIoCBFkS30_OSWX/
• https://github.com/sass/libsass
• https://github.com/sass/libsass/issues/3177

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