{"id":"DEBIAN-CVE-2017-20240","details":"Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks.  These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key.","modified":"2026-09-01T20:03:47.717026269Z","published":"2026-06-12T14:16:28.660Z","upstream":["CVE-2017-20240"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2017-20240"}],"affected":[{"package":{"name":"libcrypt-pbkdf2-perl","ecosystem":"Debian:12","purl":"pkg:deb/debian/libcrypt-pbkdf2-perl?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.261630-1~deb13u1~deb12u1"}]}],"versions":["0.161520-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2017-20240.json"}},{"package":{"name":"libcrypt-pbkdf2-perl","ecosystem":"Debian:13","purl":"pkg:deb/debian/libcrypt-pbkdf2-perl?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.261630-1~deb13u1"}]}],"versions":["0.161520-2","0.261630-1~deb13u1~deb12u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2017-20240.json"}},{"package":{"name":"libcrypt-pbkdf2-perl","ecosystem":"Debian:14","purl":"pkg:deb/debian/libcrypt-pbkdf2-perl?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.261630-1"}]}],"versions":["0.161520-2","0.261630-1~deb13u1","0.261630-1~deb13u1~deb12u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2017-20240.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}