{"id":"CVE-2016-7544","aliases":["EUVD-2016-8397","GHSA-3wp6-w2rj-8433"],"status":"published","title":"Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The...","description":"Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02735,"percentile":0.86208,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2017-01-30T21:00:00Z","modified":"2026-10-20T10:47:56Z","products":[{"vendor":"cryptopp","product":"crypto\\+\\+"}],"references":[{"url":"http://www.securityfocus.com/bid/93164","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/09/23/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/weidai11/cryptopp/issues/302","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://www.cryptopp.com/release565.html","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/09/23/9","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7544"},{"url":"https://github.com/advisories/GHSA-3wp6-w2rj-8433"}],"sources":{"cve":[{"id":"CVE-2016-7544","description":"Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.","status":"published","published":"2017-01-30T21:00:00Z","modified":"2024-08-06T02:04:54.914Z","updated_at":"2026-11-02T14:33:36.483151Z"}],"euvd":[{"id":"EUVD-2016-8397","description":"Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.","status":"published","published":"2017-01-30T21:00:00Z","modified":"2024-08-06T02:04:54Z","updated_at":"2026-11-03T02:22:32.403524Z"}],"ghsa":[{"id":"GHSA-3wp6-w2rj-8433","title":"Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The...","description":"Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.","status":"published","published":"2022-05-17T03:01:26Z","modified":"2023-01-27T05:05:58Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:42:48.808656Z"}],"nvd":[{"id":"CVE-2016-7544","description":"Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.","status":"published","published":"2017-01-30T21:59:01.16Z","modified":"2026-06-17T00:53:13.6Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:03:35.029632Z"}],"osv":[{"id":"CVE-2016-7544","description":"Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.","status":"published","published":"2017-01-30T21:59:01.16Z","modified":"2026-10-20T10:47:56.980607341Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:03.171316Z"}]}}