Vulnerability · Published Feb 12, 2025 · Assigned by GitHub_M
CVE-2025-25199BCryptGenerateSymmetricKey memory leak
High 7.5
In plain English
A high-severity memory leak in go-crypto-winnative from microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/microsoft/go-crypto-winnative | 0.0.0-20250211154640-f49c8e1379ea | GHSA-29c6-3hcj-89cf |
| Go | github.com/microsoft/go-crypto-winnative | 0.0.0-20250211154640-f49c8e1379ea | GO-2025-3461 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| microsoft | go-crypto-winnative | < 1.23.6-2< 1.22.12-2< 0.0.0-20250211154640-f49c8e1379ea |
Weakness: CWE-401 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H