| Name | CVE-2023-30581 | 
| Description | The use of __proto__ in process.mainModule.__proto__.require() can bypass the policy mechanism and require modules outside of the policy.json definition. This vulnerability affects all users using the experimental policy mechanism in all active release lines: v16, v18 and, v20. Please note that at the time this CVE was issued, the policy is an experimental feature of Node.js | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DSA-5589-1 | 
| Debian Bugs | 1039990 | 
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|---|---|---|
| nodejs (PTS) | bullseye | 12.22.12~dfsg-1~deb11u4 | vulnerable | 
| bullseye (security) | 12.22.12~dfsg-1~deb11u7 | vulnerable | |
| bookworm, bookworm (security) | 18.20.4+dfsg-1~deb12u1 | fixed | |
| trixie | 20.19.2+dfsg-1 | fixed | |
| forky, sid | 20.19.5+dfsg+~cs20.19.12-4 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|---|---|---|---|---|---|
| nodejs | source | buster | (not affected) | |||
| nodejs | source | bookworm | 18.19.0+dfsg-6~deb12u1 | DSA-5589-1 | ||
| nodejs | source | (unstable) | 18.13.0+dfsg1-1.1 | 1039990 | 
[bullseye] - nodejs <ignored> (Only affects experimental policy manifests)
[buster] - nodejs <not-affected> (v10.x doesn't support policy manifests)
https://nodejs.org/en/blog/vulnerability/june-2023-security-releases#mainmoduleproto-bypass-experimental-policy-mechanism-high-cve-2023-30581
https://hackerone.com/reports/1877919
Fixed by: https://github.com/nodejs/node/commit/a6f4e87bc913ff18c1859b8a350c24f744355e66 (v16.x)