CVE-2026-39824

low

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.

References

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

https://groups.google.com/g/golang-announce/c/6MMI8Lj-Atg

https://go.dev/issue/78916

https://go.dev/cl/770080

Details

Source: Mitre, NVD

Published: 2026-05-22

Updated: 2026-05-27

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 3.3

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Severity: Low

EPSS

EPSS: 0.00018