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GO-2022-0988

Failure to strip relative path components in net/url

Details

JoinPath and URL.JoinPath do not remove ../ path elements appended to a relative path. For example, JoinPath("https://go.dev", "../go") returns the URL "https://go.dev/../go", despite the JoinPath documentation stating that ../ path elements are removed from the result.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go / stdlib

Introduced in: 1.19.0-0 Fixed in: 1.19.1

Fix go get stdlib@v1.19.1

References

https://groups.google.com/g/golang-announce/c/x49AQzIVX-s [WEB]
https://go.dev/issue/54385 [REPORT]
https://go.dev/cl/423514 [FIX]