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Security Advisories

CVE-2021-22959

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-22959

Severity

6.5

Medium

CVSS V3

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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.

References

  • https://nvd.nist.gov/vuln/detail/CVE-2021-22959
  • https://github.com/advisories/GHSA-mhxq-vjjq-pcvf
  • https://hackerone.com/reports/1238709
  • https://www.debian.org/security/2022/dsa-5170
  • https://www.oracle.com/security-alerts/cpujan2022.html

Affected packages

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