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osvGoogleOSV:CVE-2021-22959
HistoryNov 15, 2021 - 3:15 p.m.

CVE-2021-22959

2021-11-1515:15:06
Google
osv.dev
11
parser vulnerability
http request smuggling
llhttp

EPSS

0.005

Percentile

76.3%

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.