| Name | CVE-2021-22960 |
| Description | The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5170-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nodejs (PTS) | buster | 10.24.0~dfsg-1~deb10u1 | fixed |
| buster (security) | 10.24.0~dfsg-1~deb10u3 | fixed |
| bullseye (security), bullseye | 12.22.12~dfsg-1~deb11u4 | fixed |
| trixie, bookworm | 18.13.0+dfsg1-1 | fixed |
| sid | 18.19.0+dfsg-6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| nodejs | source | stretch | (unfixed) | end-of-life | | |
| nodejs | source | buster | (not affected) | | | |
| nodejs | source | bullseye | 12.22.12~dfsg-1~deb11u1 | | DSA-5170-1 | |
| nodejs | source | (unstable) | 12.22.7~dfsg-1 | | | |
Notes
[buster] - nodejs <not-affected> (llhttp dependency/embedding introduced in 12.x)
[stretch] - nodejs <end-of-life> (Nodejs in stretch not covered by security support)
https://hackerone.com/reports/1238099
https://github.com/nodejs/node/commit/657fb9a77ca36f729da484f55899dad7a13759b0 (v14.x)
https://github.com/nodejs/node/commit/21a2e554e3eaa325abbdb28f366928d0ccc0a0f0 (v12.22.7)
https://nodejs.org/en/blog/vulnerability/oct-2021-security-releases/#http-request-smuggling-when-parsing-the-body-medium-cve-2021-22960