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osvGoogleOSV:CVE-2022-27780
HistoryJun 02, 2022 - 2:15 p.m.

CVE-2022-27780

2022-06-0214:15:44
Google
osv.dev
13

0.001 Low

EPSS

Percentile

34.8%

The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a different URL usingthe wrong host name when it is later retrieved.For example, a URL like http://example.com%2F127.0.0.1/, would be allowed bythe parser and get transposed into http://example.com/127.0.0.1/. This flawcan be used to circumvent filters, checks and more.