Update module golang.org/x/net to v0.45.0 [SECURITY]#36
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This PR contains the following updates:
v0.20.0→v0.45.0net/http, x/net/http2: close connections when receiving too many headers
BIT-golang-2023-45288 / CVE-2023-45288 / GHSA-4v7x-pqxf-cx7m / GO-2024-2687
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 OSV and the GitHub Advisory Database (CC-BY 4.0).
HTTP/2 CONTINUATION flood in net/http
BIT-golang-2023-45288 / CVE-2023-45288 / GHSA-4v7x-pqxf-cx7m / GO-2024-2687
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
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Non-linear parsing of case-insensitive content in golang.org/x/net/html
CVE-2024-45338 / GHSA-w32m-9786-jp63 / GO-2024-3333
More information
Details
An attacker can craft an input to the Parse functions that would be processed non-linearly with respect to its length, resulting in extremely slow parsing. This could cause a denial of service.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net
CVE-2025-22870 / GHSA-qxp5-gwg8-xv66 / GO-2025-3503
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 OSV and 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 / GO-2025-3503
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
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
golang.org/x/net vulnerable to Cross-site Scripting
CVE-2025-22872 / GHSA-vvgc-356p-c3xw / GO-2025-3595
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 OSV and the GitHub Advisory Database (CC-BY 4.0).
Incorrect Neutralization of Input During Web Page Generation in x/net in golang.org/x/net
CVE-2025-22872 / GHSA-vvgc-356p-c3xw / GO-2025-3595
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
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Quadratic parsing complexity in golang.org/x/net/html
CVE-2025-47911 / GHSA-w4gw-w5jq-g9jh / GO-2026-4440
More information
Details
The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Infinite parsing loop in golang.org/x/net
CVE-2025-58190 / GO-2026-4441
More information
Details
The html.Parse function in golang.org/x/net/html has an infinite parsing loop when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
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