Microsoft go-crypto-winnative up to 1.22.12-1/1.23.6-1 on Windows memory leak

Summaryinfo

A vulnerability classified as problematic was found in Microsoft go-crypto-winnative up to 1.22.12-1/1.23.6-1 on Windows. The affected element is an unknown function. The manipulation results in memory leak. This vulnerability is cataloged as CVE-2025-25199. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft go-crypto-winnative up to 1.22.12-1/1.23.6-1 on Windows. Affected is an unknown function. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. CVE summarizes:

go-crypto-winnative Go crypto backend for Windows using Cryptography API: Next Generation (CNG). Prior to commit f49c8e1379ea4b147d5bff1b3be5b0ff45792e41, calls to `cng.TLS1PRF` don't release the key handle, producing a small memory leak every time. Commit f49c8e1379ea4b147d5bff1b3be5b0ff45792e41 contains a fix for the issue. The fix is included in versions 1.23.6-2 and 1.22.12-2 of the Microsoft build of go, as well as in the pseudoversion 0.0.0-20250211154640-f49c8e1379ea of the `github.com/microsoft/go-crypto-winnative` Go package.

The advisory is available at github.com. This vulnerability is traded as CVE-2025-25199 since 02/03/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 241951 (CBL Mariner 2.0 Security Update: golang (CVE-2025-25199)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.0.0-20250211154640-f49c8e1379ea, 1.22.12-2 or 1.23.6-2 eliminates this vulnerability. Applying the patch f49c8e1379ea4b147d5bff1b3be5b0ff45792e41 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (241951). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Microsoft

Name

• go-crypto-winnative

Version

• 1.22.12-1
• 1.23.6-1

License

• commercial

Website

• Vendor: https://www.microsoft.com/
• Product: https://github.com/microsoft/go-crypto-winnative/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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