Vulnerability in Microsoft Go-Crypto-Winnative
CVE-2025-25199
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.
EPSS: 0.014 (69.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Go-crypto-winnative — versions < 1.23.6-2, < 1.22.12-2, < 0.0.0-20250211154640-f49c8e1379ea
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-25199?
- CVE-2025-25199 is a high-severity vulnerability in Microsoft Go-Crypto-Winnative, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2025-02-12.
- How severe is CVE-2025-25199?
- High severity. CVSS v3 base score is 7.5 out of 10.