oss-security - Go 1.24.4 and Go 1.23.10 fix CVE-2025-4673, CVE-2025-0913, CVE-2025-22874

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Message-ID: <e53c2ff3-6a27-4318-8245-8b99b3609e1d@oracle.com>
Date: Thu, 5 Jun 2025 12:11:49 -0700
From: Alan Coopersmith <alan.coopersmith@...cle.com>
To: oss-security@...ts.openwall.com
Subject: Go 1.24.4 and Go 1.23.10 fix CVE-2025-4673,
 CVE-2025-0913, CVE-2025-22874

https://groups.google.com/g/golang-announce/c/ufZ8WpEsA3A/m/XDxq7uidAgAJ
announces:

> Hello gophers,
> 
> We have just released Go versions 1.24.4 and 1.23.10, minor point releases.
> 
> These minor releases include 3 security fixes following the security policy:
> 
>   * net/http: sensitive headers not cleared on cross-origin redirect
> 
>     Proxy-Authorization and Proxy-Authenticate headers persisted on
>     cross-origin redirects potentially leaking sensitive information.
> 
>     Thanks to Takeshi Kaneko (GMO Cybersecurity by Ierae, Inc.) for reporting
>     this issue.
> 
>     This is CVE-2025-4673 and Go issue https://go.dev/issue/73816.
> 
>   * os: inconsistent handling of O_CREATE|O_EXCL on Unix and Windows
> 
>     os.OpenFile(path, os.O_CREATE|O_EXCL) behaved differently on Unix and
>     Windows systems when the target path was a dangling symlink. On Unix
>     systems, OpenFile with O_CREATE and O_EXCL flags never follows symlinks.
>     On Windows, when the target path was a symlink to a nonexistent location,
>     OpenFile would create a file in that location.
> 
>     OpenFile now always returns an error when the O_CREATE and O_EXCL flags
>     are both set and the target path is a symlink.
> 
>     Thanks to Junyoung Park and Dong-uk Kim of KAIST Hacking Lab for
>     discovering this issue.
> 
>     This is CVE-2025-0913 and Go issue https://go.dev/issue/73702.
> 
>   * crypto/x509: usage of ExtKeyUsageAny disables policy validation
> 
>     Calling Verify with a VerifyOptions.KeyUsages that contains ExtKeyUsageAny
>     unintentionally disabledpolicy validation. This only affected certificate
>     chains which contain policy graphs, which are rather uncommon.
> 
>     Thanks to Krzysztof Skrzętnicki (@Tener) of Teleport for reporting this
>     issue.
> 
>     This is CVE-2025-22874 and Go issue https://go.dev/issue/73612.
> 
> View the release notes for more information:
> https://go.dev/doc/devel/release#go1.24.4
> 
> You can download binary and source distributions from the Go website:
> https://go.dev/dl/
> 
> To compile from source using a Git clone, update to the release with
> git checkout go1.24.4 and build as usual.
> 
> Thanks to everyone who contributed to the releases.
> 
> Cheers,
> Carlos and Michael for the Go team

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