{"id":"CVE-2025-40920","summary":"Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl use insecurely generated nonces","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":"2026-08-12T03:51:08.321875846Z","published":"2025-08-11T20:19:57.516Z","database_specific":{"cwe_ids":["CWE-338","CWE-340"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40920.json","unresolved_ranges":[{"extracted_events":[{"introduced":"0.06"},{"last_affected":"1.018"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"CPANSec"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/08/12/1"},{"type":"WEB","url":"https://cpan.org/modules"},{"type":"WEB","url":"https://datatracker.ietf.org/doc/html/rfc7616#section-5.12"},{"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":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40920.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40920"},{"type":"REPORT","url":"https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/pull/1"},{"type":"FIX","url":"https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/commit/ad2c03aad95406db4ce35dfb670664ebde004c18"},{"type":"FIX","url":"https://security.metacpan.org/patches/C/Catalyst-Authentication-Credential-HTTP/1.018/CVE-2025-40920-r1.patch"},{"type":"PACKAGE","url":"https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/perl-catalyst/catalyst-authentication-credential-http","events":[{"introduced":"0"},{"fixed":"ad2c03aad95406db4ce35dfb670664ebde004c18"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/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"}]}