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Security Advisories

GO-2026-5024

https://pkg.go.dev/vuln/GO-2026-5024

Severity

Unknown
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Summary

Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows

Description

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.

  • https://nvd.nist.gov/vuln/detail/CVE-2026-39824
  • https://github.com/advisories/GHSA-4vpj-hr3r-4gpg
  • https://pkg.go.dev/vuln/GO-2026-5024
  • https://go.dev/issue/78916
  • https://go.dev/cl/770080
  • https://groups.google.com/g/golang-announce/c/6MMI8Lj-Atg

Affected packages

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