DEBIAN-CVE-2021-22959

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2021-22959
Downstream
DSA-5170-1
Published: 15 Nov 2021, 15:15
Last modified:28 Apr 2026, 20:18

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Nov 2021, 15:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:18
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Systems

  • debian•nodejs

    < 12.22.12~dfsg-1~deb11u1 | < 12.22.7~dfsg-1 | < 12.22.7~dfsg-1 | < 12.22.7~dfsg-1

References (1)