Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2022-43357
High 7.5
In plain English
A high-severity security flaw in the libsass package (Alpine). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.5%top 25.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | libsass | 3.6.6-r0 | ALPINE-CVE-2022-43357 |
| Alpine:v3.21 | libsass | 3.6.6-r0 | ALPINE-CVE-2022-43357 |
| Alpine:v3.22 | libsass | 3.6.6-r0 | ALPINE-CVE-2022-43357 |
| Alpine:v3.23 | libsass | 3.6.6-r0 | ALPINE-CVE-2022-43357 |
| Alpine:v3.24 | libsass | 3.6.6-r0 | ALPINE-CVE-2022-43357 |
| Debian:12 | libsass | no fix listed | DEBIAN-CVE-2022-43357 |
| Debian:13 | libsass | 3.6.5+20231221-2 | DEBIAN-CVE-2022-43357 |
| Debian:14 | libsass | 3.6.5+20231221-2 | DEBIAN-CVE-2022-43357 |
| Ubuntu:22.04:LTS | libsass | no fix listed | UBUNTU-CVE-2022-43357 |