#VU103932 Memory leak in Go programming language - CVE-2025-22866

Vulnerability identifier: #VU103932

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-22866

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

Vendor: Google

Description
The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a small number of bits of secret scalars are leaked on the ppc64le architecture in crypto/internal/nistec. A local user can gain access to potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.20 - 1.24 rc2

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External links
https://go.dev/cl/643735
https://go.dev/issue/71383
https://groups.google.com/g/golang-announce/c/xU1ZCHUZw3k
https://pkg.go.dev/vuln/GO-2025-3447

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.