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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| golang.org/x/sys | golang.org/x/sys/windows | unaffected |
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References
History
Fri, 22 May 2026 20:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows | |
| References |
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MITRE
Status: PUBLISHED
Assigner: Go
Published:
Updated: 2026-05-22T19:39:47.629Z
Reserved: 2026-04-07T18:13:03.527Z
Link: CVE-2026-39824
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