ALPINE-CVE-2021-22959

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-22959
Published: 15 Nov 2021, 15:15
Last modified:03 Dec 2025, 22:48

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_alpine)
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
03 Dec 2025, 22:48
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

  • alpine•nodejs

    < 12.22.10-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0 | < 14.18.1-r0

References (1)