| Name | CVE-2021-23383 |
| Description | The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libjs-handlebars (PTS) | jessie | 1.3.0-1 | fixed |
| stretch | 3:4.0.5-4 | vulnerable |
| node-handlebars (PTS) | buster | 3:4.1.0-1+deb10u3 | vulnerable |
| bullseye | 3:4.7.6+~4.1.0-2 | fixed |
| sid, trixie, bookworm | 3:4.7.7+~4.1.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - node-handlebars <no-dsa> (Minor issue; can be fixed via point release)
[stretch] - libjs-handlebars <postponed> (Minor issue; can be fixed in next update)
https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25285b2ebea1c1e427
https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1279029
[jessie] - libjs-handlebars <not-affected> (Vulnerable code introduced later)