CVE-2025-25199 – Microsoft Go-crypto Winnative: Unreleased Key Handle Memory Leak

The following table lists the changes that have been made to the
CVE-2025-25199 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Feb. 12, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-401
    Added Reference https://github.com/microsoft/go-crypto-winnative/commit/f49c8e1379ea4b147d5bff1b3be5b0ff45792e41
    Added Reference https://github.com/microsoft/go-crypto-winnative/security/advisories/GHSA-29c6-3hcj-89cf
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