Buffer overflow in Sass-Lang Libsass

CVE-2022-26592

Stack Overflow vulnerability in libsass 3.6.5 via the CompoundSelector::has_real_parent_ref function.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Sass-lang Libsass — versions 3.6.5
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

ghostbyt3/patch-tuesday

References

cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2022-26592?: CVE-2022-26592 is a high-severity vulnerability in Sass-Lang Libsass, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2023-08-22.
How severe is CVE-2022-26592?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-26592 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.