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Date: Fri, 8 Mar 2024 13:37:09 -0800
From: Alan Coopersmith <>
Subject: 5 CVEs fixed in Go 1.22.1 and Go 1.21.8, 1 CVE fixed in announces the
releases of Go 1.22.1 and Go 1.21.8 containing fixes for 5 CVEs:

 >- crypto/x509: Verify panics on certificates with an unknown public key
 >  algorithm
 >  Verifying a certificate chain which contains a certificate with an
 >  unknown public key algorithm will cause Certificate.Verify to panic.
 >  This affects all crypto/tls clients, and servers that set Config.ClientAuth
 >  to VerifyClientCertIfGiven or RequireAndVerifyClientCert. The default
 >  behavior is for TLS servers to not verify client certificates.
 >  Thanks to John Howard (Google) for reporting this issue.
 >  This is CVE-2024-24783 and Go issue
 >- net/http: memory exhaustion in Request.ParseMultipartForm
 >  When parsing a multipart form (either explicitly with
 >  Request.ParseMultipartForm or implicitly with Request.FormValue,
 >  Request.PostFormValue, or Request.FormFile), limits on the total size of
 >  the parsed form were not applied to the memory consumed while reading a
 >  single form line. This permitted a maliciously crafted input containing
 >  very long lines to cause allocation of arbitrarily large amounts of memory,
 >  potentially leading to memory exhaustion.
 >  ParseMultipartForm now correctly limits the maximum size of form lines.
 >  Thanks to Bartek Nowotarski for reporting this issue.
 >  This is CVE-2023-45290 and Go issue
 >- net/http, net/http/cookiejar: incorrect forwarding of sensitive headers
 >  and cookies on HTTP redirect
 >  When following an HTTP redirect to a domain which is not a subdomain match
 >  or exact match of the initial domain, an http.Client does not forward
 >  sensitive headers such as "Authorization" or "Cookie". For example, a
 >  redirect from to will forward the Authorization header,
 >  but a redirect to will not.
 >  A maliciously crafted HTTP redirect could cause sensitive headers to be
 >  unexpectedly forwarded.
 >  Thanks to Juho Nurminen of Mattermost for reporting this issue.
 >  This is CVE-2023-45289 and Go issue
 >- html/template: errors returned from MarshalJSON methods may break template
 >  escaping
 >  If errors returned from MarshalJSON methods contain user controlled data,
 >  they may be used to break the contextual auto-escaping behavior of the
 >  html/template package, allowing for subsequent actions to inject unexpected
 >  content into templates.
 >  Thanks to RyotaK ( for reporting this issue.
 >  This is CVE-2024-24785 and Go issue
 >- net/mail: comments in display names are incorrectly handled
 >  The ParseAddressList function incorrectly handles comments (text within
 >  parentheses) within display names. Since this is a misalignment with
 >  conforming address parsers, it can result in different trust decisions
 >  being made by programs using different parsers.
 >  Thanks to Juho Nurminen of Mattermost and Slonser
 >  ( for reporting this issue.
 >  This is CVE-2024-24784 and Go issue

Separately, one more CVE fix was reported in :

 > Version v1.33.0  of the module fixes a bug in
 > the package which could cause
 > the Unmarshal function to enter an infinite loop when handling some invalid
 > inputs. This condition could only occur when unmarshaling into a message
 > which contains a google.protobuf.Any value, or when the
 > UnmarshalOptions.UnmarshalUnknown option is set. Unmarshal now correctly
 > returns an error when handling these inputs.
 > This is CVE-2024-24786.

Though note the followup message on that page:

 > A small correction: This vulnerability applies when the
 > UnmarshalOptions.DiscardUnknown option is set (as well as when unmarshaling
 > into any message which contains a google.protobuf.Any). There is no
 > UnmarshalUnknown option.
 > In addition, version 1.33.0 of inadvertently
 > introduced an incompatibility with the older
 > module. ( Users of the older
 > module should update to

         -Alan Coopersmith-       
          Oracle Solaris Engineering -

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