{"id":"CVE-2017-7523","aliases":["EUVD-2017-16540","GHSA-vhqx-rr9r-7jww"],"status":"published","title":"Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability...","description":"Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.","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":0.02746,"percentile":0.86289,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-787"],"published":"2017-07-21T22:00:00Z","modified":"2026-10-24T10:30:49Z","products":[{"vendor":"cygwin","product":"cygwin"},{"vendor":"red hat, inc.","product":"cygwin"}],"references":[{"url":"https://cygwin.com/ml/cygwin/2017-05/msg00149.html","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Vendor Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7523"},{"url":"https://github.com/advisories/GHSA-vhqx-rr9r-7jww"}],"sources":{"cve":[{"id":"CVE-2017-7523","description":"Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.","status":"published","published":"2017-07-21T22:00:00Z","modified":"2024-09-16T18:03:20.729Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:20.488433Z"}],"euvd":[{"id":"EUVD-2017-16540","description":"Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.","status":"published","published":"2017-07-21T22:00:00Z","modified":"2024-09-16T18:03:20Z","updated_at":"2026-11-03T00:55:36.293033Z"}],"ghsa":[{"id":"GHSA-vhqx-rr9r-7jww","title":"Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability...","description":"Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.","status":"published","published":"2022-05-13T01:36:19Z","modified":"2025-04-20T03:42:19Z","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"}],"cwes":["CWE-119","CWE-787"],"updated_at":"2026-11-02T15:01:49.538564Z"}],"nvd":[{"id":"CVE-2017-7523","description":"Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.","status":"published","published":"2017-07-21T22:29:00.283Z","modified":"2026-06-17T01:24:31.407Z","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-787","CWE-119"],"updated_at":"2026-11-02T14:03:54.862898Z"}],"osv":[{"id":"CVE-2017-7523","description":"Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.","status":"published","published":"2017-07-21T22:29:00.283Z","modified":"2026-10-24T10:30:49.679740875Z","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":"2026-11-02T15:44:06.412595Z"}]}}