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osvGoogleOSV:CVE-2019-9900
HistoryApr 25, 2019 - 3:29 p.m.

CVE-2019-9900

2019-04-2515:29:01
Google
osv.dev
4

AI Score

6.8

Confidence

Low

EPSS

0.004

Percentile

75.1%

When parsing HTTP/1.x header values, Envoy 1.9.0 and before does not reject embedded zero characters (NUL, ASCII 0x0). This allows remote attackers crafting header values containing embedded NUL characters to potentially bypass header matching rules, gaining access to unauthorized resources.

AI Score

6.8

Confidence

Low

EPSS

0.004

Percentile

75.1%