Update golang.org/x dependencies [SECURITY] (release/v0.6) - #924
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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:
v0.23.0→v0.40.0v0.38.0→v0.56.0v0.31.0→v0.44.0v0.24.0→v0.39.0Fix transparency log tile verification bypass in golang.org/x/mod/sumdb/tlog
BIT-golang-2026-56865 / CVE-2026-56865 / GO-2026-6179
More information
Details
A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache.
This attack allows for a malicious GOPROXY to serve malicious module content that cannot be detected by evaluating the transparency log.
All tiles are now correctly verified against their parents.
In order to determine if you have been affected:
rm -r go.sum go.work.sum vendor/ && go mod tidy
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Ignore unrelated, unauthenticated hashes in Lookup in golang.org/x/mod/sumdb
BIT-golang-2026-56864 / CVE-2026-56864 / GO-2026-6180
More information
Details
A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log.
This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log.
In order to determine if you have been affected:
rm -r go.sum go.work.sum vendor/ && go mod tidy
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).
Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
BIT-golang-2026-33814 / CVE-2026-33814 / GO-2026-4918
More information
Details
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Go Net HTML parser is vulnerable to denial of service
CVE-2026-25680 / GHSA-5cv4-jp36-h3mw / GO-2026-5028
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 OSV and the GitHub Advisory Database (CC-BY 4.0).
Invoking incorrect handling of namespaced elements in foreign content in golang.org/x/net/html
CVE-2026-42506 / GO-2026-5025
More information
Details
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna
CVE-2026-39821 / GO-2026-5026
More information
Details
The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode("xn--example-.com") incorrectly returns the name "example.com" rather than an error.
This behavior can lead to privilege escalation in programs using the idna package. For example, a program which performs privilege checks on the ASCII hostname may reject "example.com" but permit "xn--example-.com". If that program subsequently converts the ASCII hostname to Unicode, it will inadvertently permits access to the Unicode name "example.com".
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking incorrect handling of HTML elements in foreign content in golang.org/x/net/html
CVE-2026-42502 / GO-2026-5027
More information
Details
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html
CVE-2026-25680 / GHSA-5cv4-jp36-h3mw / GO-2026-5028
More information
Details
Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html
CVE-2026-25681 / GO-2026-5029
More information
Details
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking duplicate attributes can cause XSS in golang.org/x/net/html
CVE-2026-27136 / GO-2026-5030
More information
Details
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage
BIT-golang-2026-46600 / CVE-2026-46600 / GO-2026-5942
More information
Details
Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows
CVE-2026-39824 / GO-2026-5024
More information
Details
NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Infinite loop on invalid input in golang.org/x/text
CVE-2026-56852 / GO-2026-5970
More information
Details
A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
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