CVE-2026-39824 (GCVE-0-2026-39824)

Vulnerability from cvelistv5 – Published: 2026-05-22 19:39 – Updated: 2026-05-27 13:31
VLAI?
Title
Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows
Summary
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 ?
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
Go
References
Impacted products
Vendor Product Version
golang.org/x/sys golang.org/x/sys/windows Affected: 0 , < 0.44.0 (semver)
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              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
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        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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          "url": "https://go.dev/issue/78916"
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        {
          "url": "https://go.dev/cl/770080"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/6MMI8Lj-Atg"
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        {
          "url": "https://pkg.go.dev/vuln/GO-2026-5024"
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.