CVE-2025-25199

Summary

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 Software

VendorProductVersion RangeStatus
microsoftgo-crypto-winnative< 1.23.6-2affected
microsoftgo-crypto-winnative< 1.22.12-2affected
microsoftgo-crypto-winnative< 0.0.0-20250211154640-f49c8e1379eaaffected

Weaknesses

  • CWE-401: CWE-401: Missing Release of Memory after Effective Lifetime

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References