{"id":"CVE-2021-37519","aliases":["BIT-memcached-2021-37519","CLSA-2026-1779095842","DEBIAN-CVE-2021-37519","EUVD-2021-24081","GHSA-5pff-p34f-mm94","UBUNTU-CVE-2021-37519"],"status":"published","title":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of...","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion 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Tracking","Third Party Advisory","advisory","report"]},{"url":"https://github.com/memcached/memcached/pull/806/commits/264722ae4e248b453be00e97197dadc685b60fd0","tags":["x_transferred","Patch","Third Party Advisory","advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37519","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5pff-p34f-mm94"},{"url":"https://github.com/memcached/memcached/commit/ddee3e27a031be22f5f28c160be18fd3cb9bc63d","tags":["web"]},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1779095842.html","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-37519","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-37519","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-37519","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-37519","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.","status":"published","published":"2023-02-03T00:00:00Z","modified":"2025-03-26T18:16:52.051Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-24081","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.","status":"published","published":"2023-02-03T00:00:00Z","modified":"2025-03-26T18:16:52Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:50.922534Z"}],"ghsa":[{"id":"GHSA-5pff-p34f-mm94","title":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of...","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.","status":"published","published":"2023-02-03T18:30:26Z","modified":"2023-02-10T15:30:26Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:54:03.896291Z"}],"nvd":[{"id":"CVE-2021-37519","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.","status":"published","published":"2023-02-03T18:15:14.08Z","modified":"2026-06-17T04:00:40.503Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:07.323379Z"}],"osv":[{"id":"CVE-2021-37519","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.","status":"published","published":"2023-02-03T18:15:14.08Z","modified":"2026-10-20T10:53:51.252920903Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.434873Z"},{"id":"DEBIAN-CVE-2021-37519","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.","status":"published","published":"2023-02-03T18:15:14.08Z","modified":"2026-10-23T18:03:30.304564603Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:35.521549Z"},{"id":"UBUNTU-CVE-2021-37519","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.","status":"published","published":"2023-02-03T18:15:00Z","modified":"2025-10-24T04:50:27Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:28.526929Z"},{"id":"BIT-memcached-2021-37519","description":"Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.","status":"published","published":"2024-11-08T19:14:19.674Z","modified":"2026-09-08T08:48:13.253155532Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"id":"CLSA-2026-1779095842","title":"memcached: Fix of CVE-2021-37519","description":"- CVE-2021-37519: heap buffer overflow in authfile_load() when the auth\n  file lacks a trailing newline; missing bounds check on fgets() and\n  missing NUL check in the user-entry parse loop allow local DoS via a\n  crafted --auth-file.","status":"published","published":"2026-05-18T09:17:26Z","modified":"2026-06-01T00:32:31.444805034Z","updated_at":"2026-11-02T15:43:44.737408Z"}]}}