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cvelistMitreCVELIST:CVE-2019-16254
HistoryNov 26, 2019 - 12:00 a.m.

CVE-2019-16254

2019-11-2600:00:00
mitre
www.cve.org
1

7 High

AI Score

Confidence

High

0.011 Low

EPSS

Percentile

84.1%

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows HTTP Response Splitting. If a program using WEBrick inserts untrusted input into the response header, an attacker can exploit it to insert a newline character to split a header, and inject malicious content to deceive clients. NOTE: this issue exists because of an incomplete fix for CVE-2017-17742, which addressed the CRLF vector, but did not address an isolated CR or an isolated LF.

References