{"id":"CVE-2026-6656","aliases":["DEBIAN-CVE-2026-6656","EUVD-2026-45894","GHSA-c9g9-v2j9-8ffv","UBUNTU-CVE-2026-6656"],"status":"published","title":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks","description":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks.\n\nThe check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00492,"percentile":0.42599,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-208"],"published":"2026-07-20T07:01:45Z","modified":"2026-10-24T20:10:00Z","affected":[{"source":"osv","ecosystem":"Debian:14","package":"libcrypt-password-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.28-1","0.28-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libcrypt-password-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.28-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libcrypt-password-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.28-1","0.28-2"]}],"products":[{"vendor":"drsteve","product":"crypt::password"}],"references":[{"url":"https://metacpan.org/release/DRSTEVE/Crypt-Password-0.28/source/lib/Crypt/Password.pm#L190-193"},{"url":"https://rt.cpan.org/Ticket/Display.html?id=180162","tags":["issue-tracking","report"]},{"url":"http://www.openwall.com/lists/oss-security/2026/07/20/4"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6656"},{"url":"https://github.com/advisories/GHSA-c9g9-v2j9-8ffv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-6656","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-6656","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6656","tags":["report"]},{"url":"https://lists.security.metacpan.org/cve-announce/msg/41975673/","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-6656","title":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks","description":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks.\n\nThe check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.","status":"published","published":"2026-07-20T07:01:45.818Z","modified":"2026-07-20T18:38:21.362Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T13:49:53.818886Z"}],"euvd":[{"id":"EUVD-2026-45894","description":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks.\n\nThe check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.","status":"published","published":"2026-07-20T07:01:45Z","modified":"2026-07-20T18:38:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:19:48.530346Z"}],"ghsa":[{"id":"GHSA-c9g9-v2j9-8ffv","title":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks.\n\nThe...","description":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks.\n\nThe check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.","status":"published","published":"2026-07-20T09:31:08Z","modified":"2026-07-20T21:32:48Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T15:09:37.555146Z"}],"nvd":[{"id":"CVE-2026-6656","description":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks.\n\nThe check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.","status":"published","published":"2026-07-20T07:16:42.44Z","modified":"2026-10-24T20:10:00.137Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T14:12:31.024898Z"}],"osv":[{"id":"DEBIAN-CVE-2026-6656","description":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks.  The check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.","status":"published","published":"2026-07-20T07:16:42.44Z","modified":"2026-09-14T17:03:22.528151938Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:58.699079Z"},{"id":"UBUNTU-CVE-2026-6656","description":"Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks. The check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.","status":"published","published":"2026-07-20T07:16:00Z","modified":"2026-10-17T12:56:41.294242669Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:56:53.710209Z"}]}}