{"id":"CVE-2025-40920","details":"Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl generate nonces using the Perl Data::UUID library.\n  *  Data::UUID does not use a strong cryptographic source for generating UUIDs.\n  *  Data::UUID returns v3 UUIDs, which are generated from known information and are unsuitable for security, as per RFC 9562.\n  *  The nonces should be generated from a strong cryptographic source, as per RFC 7616.","modified":"2026-04-02T12:48:23.847347Z","published":"2025-08-11T21:15:28.087Z","references":[{"type":"WEB","url":"https://datatracker.ietf.org/doc/html/rfc9562#name-security-considerations"},{"type":"WEB","url":"https://metacpan.org/release/ETHER/Catalyst-Authentication-Credential-HTTP-1.018/source/lib/Catalyst/Authentication/Credential/HTTP.pm#L391"},{"type":"WEB","url":"https://security.metacpan.org/patches/C/Catalyst-Authentication-Credential-HTTP/1.018/CVE-2025-40920-r1.patch"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/08/12/1"},{"type":"WEB","url":"https://datatracker.ietf.org/doc/html/rfc7616#section-5.12"},{"type":"FIX","url":"https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/commit/ad2c03aad95406db4ce35dfb670664ebde004c18"},{"type":"FIX","url":"https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/pull/1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/perl-catalyst/catalyst-authentication-credential-http","events":[{"introduced":"0"},{"fixed":"ad2c03aad95406db4ce35dfb670664ebde004c18"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40920.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L"}]}