Vulnerability DatabaseCVE-2026-39824
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CVE-2026-39824
Published:May 22, 2026
Updated:May 25, 2026
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.
Affected Packages
https://github.com/golang/sys.git (GITHUB):
Affected version(s) >=v0.1.0 <v0.44.0
Fix Suggestion:
Update to version v0.44.0
golang.org/x/sys (GO):
Affected version(s) >=v0.0.0-20120125194513-f61fbb80d2fc <v0.44.0
Fix Suggestion:
Update to version v0.44.0
Related Resources (4)
https://go.dev/issue/78916
https://groups.google.com/g/golang-announce/c/6MMI8Lj-Atg
https://pkg.go.dev/vuln/GO-2026-5024
https://go.dev/cl/770080
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
EPSS
Base Score:
0.02