CVEvulnerability
CVE-2021-22959
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-11-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-444
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.
Affected configurations
• llhttp llhttp (< 2.1.4)
• llhttp llhttp (>= 3.0.0 < 6.0.6)
• oracle graalvm 20.3.4
• oracle graalvm 21.3.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-444 Inconsistent Interpretation of HTTP Requests weakness
References
- https://hackerone.com/reports/1238709 Exploit, Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5170 Mailing List, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory
- https://hackerone.com/reports/1238709 Exploit, Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5170 Mailing List, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory