p PatchFirst

CVE-2021-22959

CVE-2021-22959

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The 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.

CVSS 6.5 · Medium · EPSS 3.2% · Fix available

Published
Updated

Stack: system · node

Affected products and versions

  • node.js

    Versions
    • ≥ 4.0, < 4.*: Affected (semver)
    • ≥ 5.0, < 5.*: Affected (semver)
    • ≥ 6.0, < 6.*: Affected (semver)
    • ≥ 7.0, < 7.*: Affected (semver)
    • ≥ 8.0, < 8.*: Affected (semver)
    • ≥ 9.0, < 9.*: Affected (semver)
    • ≥ 10.0, < 10.*: Affected (semver)
    • ≥ 11.0, < 11.*: Affected (semver)
    • ≥ 12.0, < 12.22.7: Affected (semver)
    • ≥ 13.0, < 13.*: Affected (semver)
    • ≥ 14.0, < 14.18.1: Affected (semver)
    • ≥ 15.0, < 15.*: Affected (semver)
    • ≥ 16.0, < 16.11.1: Affected (semver)

    Update to 12.22.7; Update to 14.18.1; Update to 16.11.1

  • nodejs Debian:12

    Affected ranges
    • ECOSYSTEM: < 12.22.7~dfsg-1

    Update to 12.22.7~dfsg-1

  • nodejs Debian:13

    Affected ranges
    • ECOSYSTEM: < 12.22.7~dfsg-1

    Update to 12.22.7~dfsg-1

  • nodejs Debian:14

    Affected ranges
    • ECOSYSTEM: < 12.22.7~dfsg-1

    Update to 12.22.7~dfsg-1

Original sources

Check your server →