{"id":"DEBIAN-CVE-2025-40920","details":"Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl generate nonces using the Perl Data::UUID library.   *  Data::UUID does not use a strong cryptographic source for generating UUIDs.   *  Data::UUID returns v3 UUIDs, which are generated from known information and are unsuitable for security, as per RFC 9562.   *  The nonces should be generated from a strong cryptographic source, as per RFC 7616.","modified":"2026-09-01T16:06:18.119705923Z","published":"2025-08-11T21:15:28.087Z","upstream":["CVE-2025-40920"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-40920"}],"affected":[{"package":{"name":"libcatalyst-authentication-credential-http-perl","ecosystem":"Debian:12","purl":"pkg:deb/debian/libcatalyst-authentication-credential-http-perl?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.018-2","1.018-3","1.018-4","1.019-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-40920.json"}},{"package":{"name":"libcatalyst-authentication-credential-http-perl","ecosystem":"Debian:13","purl":"pkg:deb/debian/libcatalyst-authentication-credential-http-perl?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.018-3","1.018-4","1.019-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-40920.json"}},{"package":{"name":"libcatalyst-authentication-credential-http-perl","ecosystem":"Debian:14","purl":"pkg:deb/debian/libcatalyst-authentication-credential-http-perl?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.018-4"}]}],"versions":["1.018-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-40920.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L"}]}