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Update module golang.org/x/net to v0.60.0 [SECURITY] - #640

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renovate/security-updates
Oct 9, 2026
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AshleyDumaine merged 1 commit into
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renovate/security-updates

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@renovate renovate Bot commented Oct 9, 2026

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This PR contains the following updates:

Package Change Age Confidence
golang.org/x/net v0.58.0 → v0.60.0 age confidence

HTTP/2 server memory exhaustion due to Trailer headers in net/http

CVE-2026-78659 / GO-2026-6603

More information

Details

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending a "Trailer" header that declares a large number of fields, causing the server to allocate a disproportionate amount of memory while bypassing Server.MaxHeaderValueCount and Server.MaxHeaderBytes limits. This exploit is not applicable for HTTP/1 servers, which do not support multiplexing a large number of requests over one TCP connection, and whose Server.MaxHeaderBytes are calculated differently.

Severity

Unknown

References

This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).


HTTP/2 transport accepts malformed framing-related headers in net/http

CVE-2026-78660 / GO-2026-6610

More information

Details

Historically, we have been rather lax about malformed framing-related headers in our HTTP/2 implementation, as they cannot interfere with HTTP/2 framing. However, this makes it possible for our HTTP/2 implementation to forward responses containing such headers to an HTTP/1 client when acting as a reverse proxy. If the HTTP/1 client also does not behave strictly enough, this can result in response smuggling.

Severity

Unknown

References

This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).


Excessive CPU consumption from repeated initial window changes in net/http

CVE-2026-78669 / GO-2026-6611

More information

Details

A malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.

Severity

Unknown

References

This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).


Double flow control refund on HTTP/2 server streams in net/http

CVE-2026-78663 / GO-2026-6612

More information

Details

The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.

Severity

Unknown

References

This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).


HTTP/2 server crash due to HPACK encoder race in net/http

CVE-2026-97032 / GO-2026-6617

More information

Details

HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the other modifies the encoder's table size when handling a SETTINGS frame containing SETTINGS_HEADER_TABLE_SIZE that a client sends. A malicious client can repeatedly send a request while changing the header table size to crash the server.

Severity

Unknown

References

This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).


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@renovate renovate Bot added the dependencies dependency updates including security fixes label Oct 9, 2026
@renovate

renovate Bot commented Oct 9, 2026

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ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

  • 6 additional dependencies were updated

Details:

Package Change
golang.org/x/crypto v0.56.0 -> v0.57.0
golang.org/x/mod v0.40.0 -> v0.41.0
golang.org/x/sync v0.22.0 -> v0.23.0
golang.org/x/sys v0.47.0 -> v0.48.0
golang.org/x/term v0.45.0 -> v0.46.0
golang.org/x/text v0.41.0 -> v0.42.0

@codecov

codecov Bot commented Oct 9, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.50%. Comparing base (a3912e3) to head (4c102a6).

Additional details and impacted files
@@           Coverage Diff           @@
##             main     #640   +/-   ##
=======================================
  Coverage   82.50%   82.50%           
=======================================
  Files          19       19           
  Lines        2600     2600           
=======================================
  Hits         2145     2145           
  Misses        455      455           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

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  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

@AshleyDumaine
AshleyDumaine merged commit 5b8dcb1 into main Oct 9, 2026
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@AshleyDumaine
AshleyDumaine deleted the renovate/security-updates branch October 9, 2026 18:26

This branch was successfully deployed

1 active deployment
prod — 4c102a67 Deployed Oct 9, 2026 by renovate[bot] via e2e-tests #2086
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