| Name | CVE-2023-44270 |
| Description | An issue was discovered in PostCSS before 8.4.31. The vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being included in a comment. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1053282 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| node-postcss (PTS) | buster | 6.0.23-1 | vulnerable |
| bullseye | 8.2.1+~cs5.3.23-8 | vulnerable |
| bookworm | 8.4.20+~cs8.0.23-1 | vulnerable |
| sid, trixie | 8.4.31+~cs8.0.26-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| node-postcss | source | (unstable) | 8.4.31+~cs8.0.26-1 | | | 1053282 |
Notes
[bookworm] - node-postcss <no-dsa> (Minor issue)
[bullseye] - node-postcss <no-dsa> (Minor issue)
[buster] - node-postcss <postponed> (Minor issue)
https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5 (8.4.31)