Memory Leak in Go Crypto Backend for Windows by Microsoft
CVE-2025-25199

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Go-crypto-winnative
Vendor
CVE Published:
12 February 2025

What is CVE-2025-25199?

The Go crypto backend for Windows, known as go-crypto-winnative, contained a defect where the function cng.TLS1PRF failed to release a key handle appropriately. This oversight led to a minor memory leak occurring repeatedly during its operation. A fix for this issue was implemented in commit f49c8e1379ea4b147d5bff1b3be5b0ff45792e41, and users should ensure they have upgraded to versions 1.23.6-2 or 1.22.12-2 of the Microsoft build of Go to mitigate any risks.

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Deploy the Patch

Affected Version(s)

go-crypto-winnative < 1.23.6-2 < 1.23.6-2

go-crypto-winnative < 1.22.12-2 < 1.22.12-2

go-crypto-winnative < 0.0.0-20250211154640-f49c8e1379ea < 0.0.0-20250211154640-f49c8e1379ea

References

https://github.com/microsoft/go-crypto-winnative/security...
x_refsource_CONFIRM
https://github.com/microsoft/go-crypto-winnative/commit/f...
x_refsource_MISC

EPSS Score

7% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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