Buffer overflow in Sass-Lang Libsass
CVE-2022-43358
Stack overflow vulnerability in ast_selectors.cpp: in function Sass::ComplexSelector::has_placeholder in libsass:3.6.5-8-g210218, which can be exploited by attackers to cause a denial of service (DoS).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Sass-Lang Libsass — versions 3.6.5-8-g210218
Weakness classification (CWE)
References
- github.com/sass/libsass (Product)
- drive.google.com/file/d/1j5fkPjWH9zQeTdO_4dMcZ-FpOBzP0MaI/ (Permissions Required, Third Party Advisory)
- github.com/sass/libsass/issues/3178 (Exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-43358?
- CVE-2022-43358 is a high-severity vulnerability in Sass-Lang Libsass, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-08-22.
- How severe is CVE-2022-43358?
- High severity. CVSS v3 base score is 7.5 out of 10.