{"id":"CVE-2025-25199","aliases":["AZL-79122","AZL-98937","EUVD-2025-4085","GHSA-29c6-3hcj-89cf","GO-2025-3461","openSUSE-SU-2025:14889-1"],"status":"published","title":"BCryptGenerateSymmetricKey memory leak","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01442,"percentile":0.73595,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-401"],"published":"2025-02-12T17:49:58Z","modified":"2026-10-28T02:30:43Z","fixes":[{"ecosystem":"Go","package":"github.com/microsoft/go-crypto-winnative","fixed_in":["0.0.0-20250211154640-f49c8e1379ea"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/microsoft/go-crypto-winnative","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.0-20250211154640-f49c8e1379ea"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"golang","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.25.7-1"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"golang","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.27.0"},{"last_affected":"1.27.1-1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/microsoft/go-crypto-winnative","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.0.0-20250211154640-f49c8e1379ea"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/microsoft/go-crypto-winnative","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.0.0-20250211154640-f49c8e1379ea"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250312T181707-1.1"}]}],"bundled":31}],"products":[{"vendor":"microsoft","product":"go-crypto-winnative"}],"references":[{"url":"https://github.com/microsoft/go-crypto-winnative/security/advisories/GHSA-29c6-3hcj-89cf","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/microsoft/go-crypto-winnative/commit/f49c8e1379ea4b147d5bff1b3be5b0ff45792e41","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-25199","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-29c6-3hcj-89cf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/25xxx/CVE-2025-25199.json","tags":["advisory"]},{"url":"https://github.com/microsoft/go-crypto-winnative","tags":["package"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2024-57603","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-57604","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0426","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-1243","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-1293","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-1412","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-20051","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-22870","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-22952","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-23387","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-23388","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-23389","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24016","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24526","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24806","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24976","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-25196","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-25199","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-25204","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-25279","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-25294","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27088","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27090","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27100","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27112","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27144","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27155","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27414","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27421","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27507","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27509","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-25199","title":"BCryptGenerateSymmetricKey memory leak","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.","status":"published","published":"2025-02-12T17:49:58.397Z","modified":"2025-02-12T19:50:24.955Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:32:31.971896Z"}],"euvd":[{"id":"EUVD-2025-4085","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.","status":"published","published":"2025-02-12T17:49:58Z","modified":"2025-02-12T19:50:24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:56.967798Z"}],"ghsa":[{"id":"GHSA-29c6-3hcj-89cf","title":"go-crypto-winnative BCryptGenerateSymmetricKey memory leak","description":"Calls to `cng.TLS1PRF` don't release the key handle, producing a small memory leak every time.","status":"published","published":"2025-02-12T19:20:24Z","modified":"2025-02-12T19:21:02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:38:30.754382Z"}],"nvd":[{"id":"CVE-2025-25199","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.","status":"published","published":"2025-02-12T18:15:27.933Z","modified":"2026-06-17T09:00:28.217Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:10:51.445921Z"}],"osv":[{"id":"CVE-2025-25199","title":"BCryptGenerateSymmetricKey memory leak","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.","status":"published","published":"2025-02-12T17:49:58.397Z","modified":"2026-10-28T02:30:43.304956372Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T15:44:47.386092Z"},{"id":"GHSA-29c6-3hcj-89cf","title":"go-crypto-winnative BCryptGenerateSymmetricKey memory leak","description":"Calls to `cng.TLS1PRF` don't release the key handle, producing a small memory leak every time.","status":"published","published":"2025-02-12T19:20:24Z","modified":"2025-03-03T19:42:04.879346Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T15:46:33.956911Z"},{"id":"AZL-79122","title":"CVE-2025-25199 affecting package golang 1.25.7-1","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.","status":"published","published":"2025-02-12T18:15:27Z","modified":"2026-04-21T04:34:38.820276Z","updated_at":"2026-11-02T15:28:10.017343Z"},{"id":"AZL-98937","title":"CVE-2025-25199 affecting package golang 1.27.1-1","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.","status":"published","published":"2025-02-12T18:15:27Z","modified":"2026-09-16T06:39:01Z","updated_at":"2026-11-02T15:28:12.596039Z"},{"id":"GO-2025-3461","title":"go-crypto-winnative BCryptGenerateSymmetricKey memory leak in github.com/microsoft/go-crypto-winnative","description":"go-crypto-winnative BCryptGenerateSymmetricKey memory leak in github.com/microsoft/go-crypto-winnative","status":"published","published":"2025-03-03T19:22:09Z","modified":"2026-03-03T04:56:15.111673Z","updated_at":"2026-11-02T15:47:01.728182Z"},{"id":"openSUSE-SU-2025:14889-1","title":"govulncheck-vulndb-0.0.20250312T181707-1.1 on GA media","description":"These are all security issues fixed in the govulncheck-vulndb-0.0.20250312T181707-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-03-13T00:00:00Z","modified":"2026-02-04T04:02:14.938926Z","updated_at":"2026-11-02T16:58:37.399567Z"}]}}