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Update module golang.org/x/net to v0.55.0 [SECURITY] - #254
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ℹ️ Artifact update noticeFile name: go.modIn order to perform the update(s) described in the table above, Renovate ran the
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This PR contains the following updates:
v0.17.0→v0.55.0net/http, x/net/http2: close connections when receiving too many headers
CVE-2023-45288 / GHSA-4v7x-pqxf-cx7m
More information
Details
An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed. This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send. The fix sets a limit on the amount of excess header frames we will process before closing a connection.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net
CVE-2025-22870 / GHSA-qxp5-gwg8-xv66
More information
Details
Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.
Severity
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:LReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
golang.org/x/net vulnerable to Cross-site Scripting
CVE-2025-22872 / GHSA-vvgc-356p-c3xw
More information
Details
The tokenizer incorrectly interprets tags with unquoted attribute values that end with a solidus character (/) as self-closing. When directly using Tokenizer, this can result in such tags incorrectly being marked as self-closing, and when using the Parse functions, this can result in content following such tags as being placed in the wrong scope during DOM construction, but only when tags are in foreign content (e.g. , , etc contexts).
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Go Net HTML parser is vulnerable to denial of service
CVE-2026-25680 / GHSA-5cv4-jp36-h3mw
More information
Details
In Go Net (
golang.org/x/net) before verion 0.55.0, parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
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