CVE-2021-22959

NameCVE-2021-22959
DescriptionThe parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5170-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nodejs (PTS)buster10.24.0~dfsg-1~deb10u1fixed
buster (security)10.24.0~dfsg-1~deb10u2fixed
bullseye12.22.5~dfsg-2~11u1vulnerable
bullseye (security)12.22.12~dfsg-1~deb11u1fixed
bookworm, sid18.12.1+dfsg-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nodejssourcestretch(unfixed)end-of-life
nodejssourcebuster(not affected)
nodejssourcebullseye12.22.12~dfsg-1~deb11u1DSA-5170-1
nodejssource(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://github.com/nodejs/node/commit/21a2e554e3eaa325abbdb28f366928d0ccc0a0f0 (v12.22.7)
https://nodejs.org/en/blog/vulnerability/oct-2021-security-releases/#http-request-smuggling-due-to-spaced-in-headers-medium-cve-2021-22959

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